1.achangeofpace 节奏变换
Youcan'tdothesechemistryexperimentsalldaylong. Youcertainlyneedachangeofpace.
2. afarcryfrom 相距甚远
Thepublishedbookisfarcryfromtheearlymanuscript.
3. andhow 的确
A: She'sagooddancer.
B: andhow.
4. amatteroftime 时间问题
Itisonlyamatteroftime.
5. aphonecallaway 一个电话之远.愿意过来帮忙。
Ifyouneedmyhelp. doletmeknow. JustrememberIamaphonecallaway.
6. awhileback 不久以前
7.allalong 一直
Iknewitallalong.
8. anythingbut 绝对不
Iwasanythingbuthappyaboutgoing.
9. accountfor 解释
Howdoyouaccountforit?
10. afterall 到底
A: I'vejustseentheX-raysandyourteethlookjustfine.
B: Isee. Thenthereisnothingtoworryaboutafterall.
11. allergicto 对……过敏
Ohman! Somethinginthisroomismakingmyeyesitch. Imustbeallergictosomething.
12. atsb'sservice 愿为某人服务
Iamatyourserviceatanytime.
13. aroundtheclock 24小时不停
Marthastudiedaroundtheclockformanagementexam.
14. asfarasIknow 就我所知
15.athomewith 对…..很熟悉
Sheisathomewithproblemslikethis.
16. backout
1) 退出
A: Wasn'tBertsupposedtosingtonight?
B: Yes. buthebackedoutatlastminute
2)不履行
Shefinallybackedoutofherpromise.
17. becutoutfor 天生适合
I'mnotcutouttobeahero.
18. beabsorbedin
Shehasbeenabsorbedinahorrorfiction. Ican'ttearheraway.
19. beaddictedto 对……上瘾
Shehasbeenaddictedtodrugsforyears.
20.beattachedto 对……有感情
A: I'mamazedthatyouarestilldrivingthatoldcarofyours. Ithoughtyouwouldhavegottenridofityearsago.
B: ItrunswellandI'veactuallybeenquiteattachedtoit.
21. backup
1) 累积
Thesubwayisrunningbehindschedule. andtrafficisbackedupforblocks.
Idon'tknowifwe'llmakethe 6:30 show.
2) 支持
I'llbackitup.
22. beboundfor 到……地方
ThebusisboundforNewEngland.
23. be (feel) myself 找到自我
I'mfeelingmyselfagain.
24. beburnedup 生气
Shewasreallyburnedupatthenews.
25. behardupfor
I'mhardupforclothes. butIhavealotofbooks.