1. flying colors → success, victory

　　2. little by little → gradually

　　3. call off → cancel

　　4. come into → receive, especially after another's death

　　5. put off → postpone

　　6. stop by → make a brief visit on one's way elsewhere

　　7. tie up → hinder

　　8. be out for → trying to get

　　9. fill in for → take another's place

　　10.turn down →① refuse or reject ② reduce the loudness of

　　11.go off → begin to ring

　　12.cut down → lesson; reduce; limit

　　13.come up with → produce; supply

　　14.make it →① achieve a specific goal ② succeed in general

　　15.catch one's eye → attract one's attention

　　16.care for →① like; value ② look after; take care of

　　17.head and shoulders above → much better

　　18.catch on → become popular

　　19.on the whole → in general

　　20.fill sb. in → tell what sb. should know

　　21.in a nutshell → in a few words

　　22.from top to bottom → completely; entirely

　　23.take the plunge → enter with sudden decision upon an unfamiliar course of action

　　24.on the tip of one's tongue → unable to be recalled

　　25.cheer up → feel happy; stop being sad or discouraged; become hopeful

　　26.hold off → postpone; delay

　　27.on cloud nine → a state of perfect happiness

　　28.back out → withdraw from an undertaking

　　29.grin and bear it → be as cheerful as possible in pain or trouble; do sth. without complaining

　　30.turn out to be → come to be; prove

　　31.bite off more than one can chew → attempt sth. that exceeds one's ability

　　32.in the air → uncertain

　　33.get hold off → find a person so you can speak with him

　　34.learn the ropes → acquire thorough or special knowledge of a job

　　35.tear oneself away from → depart with great reluctance; force oneself to leave

　　36.tie up → engage or occupy completely

　　37.leave well（enough）alone → don't try to improve what is already satisfactory

　　38.touch on → mention a subject briefly or casually

　　39.see to it → take care; take the responsibility make sure

　　40.give away → give as a present

　　41.get along with → live or work in harmony with

　　42.account for → explain

　　43.out of print → no longer available for purchase from the publisher

　　44.send out → distribute

　　45.in no time → in a very brief time almost at once

　　46.before long → soon; without much delay

　　47.play by ear →① play an instrument without using written music; ② handle a matter without adequate preparation preparation or guidance

　　48.wear and tear → loss or damage caused by use

　　49.come what may → no matter what happens

　　50.drop by → make a short or unplanned visit

　　51.be short of → not having enough

　　52.cut it out → stop doing sth.

　　53.be sick of → be tired of ; having a strong dislike of

　　54.look for a needle in a haystack （a bottle） → search for sth. in a place where it is hopelessly lost

　　55.knock oneself out → work very hard; make a great effort

　　56.run up against → encounter

　　57.far from → anything but; not at all

　　58.far from it → by no means; not at all

　　59.hang on to → hold tightly; keep firmly

　　60.get nowhere → be unsuccessful; obtain no result

　　61.day in and day out → every day; all the time

　　62.break down → cease to function

　　63.get going → get started; begin to move

　　64.take one's time → not hurry

　　65.boil down to → indicate, especially as a final judgment or analysis

　　66.make up → take a test for the second time

　　67.put up with → bear with patience; tolerate

　　68.by and by → before long

　　69.give someone a hand → help; assist

　　70.ring a bell → sound familiar

　　71.snap out of it →① change one's habits, attitude, etc, suddenly ② regain one's composure, energy, or good spirits; recover

　　72.raise the roof → make trouble; start a fight or an argument

　　73.get away with → escape without punishment

　　74.on business → with definite work to do

　　75.look up → search for, as an item of information, in a reference book

　　76.let up →① cease; stop ② slacken; abate

　　77.in any case （or event） → no matter what happens

　　78.come out → be published

　　79.look into → investigate; inspect

　　80.spell out → explain very clearly or in detail

　　81.fall back on → rely on

　　82.wrap up → bring to an end, especially a successful conclusion

　　83.save one's breath → keep silent because talking will not help

　　84.hold up →① delay; hinder ② endure, last

　　85.have one's hands full → be very busy; be able to do no more

　　86.How come? → How is it? Why?

　　87.stick around → stay or wait nearby

　　88.make out → get along; manage

　　89.turn up → appear, turn out, show up

　　90.hold off → postpone; delay

　　91.over one's head → beyond one's power to understand

　　92.stock up → buy up; lay in a good supply of

　　93.keep up → continue

　　94.tie up → occupy completely

　　95.in and out → coming in and going out often

　　96.make ends meet → make one's income suffice without incurring debt

　　97.on and on → without stopping

　　98.out of this world → wonderful; great

　　99.in a row →① in line; in alignment ② in succession; successively

　　100.  wait around → waiting in vain