491. on the outskirts (of) 在城郊

　　492. owe…to 把…歸于…

　　493. on one’s own (=along, without help)單獨(dú)

　　494. of one’s own某人自己的

　　495. keep pace with 跟…齊步前進(jìn)

　　496. go to great pains=take pains 下功夫,努力

　　497. part with (=give up, sell) 舍棄,賣掉

　　498. participate in (=take part in)參加

　　499. (be) particular about 講究,挑剔(吃,穿)

　　500. in particular (=especially) 特別是,尤其

　　501. on credit賒購; with credit以優(yōu)異成績; to one’s credit使某人感到光榮; do sb. credit 使…感到光榮

　　502. on schedule(=at the planned or exacted time)按時,準(zhǔn)時;ahead of schedule提前; in advance預(yù)先;behind schedule落后于計劃進(jìn)度,晚于規(guī)定時間

　　503. scrape through(in) 勉強(qiáng)通過

　　504. from scratch(=from the beginning)從頭開始

　　505. in search of 尋找;in honor of 為了...表示敬意;in memory of 為紀(jì)念..;in hopes of為期待..;in pursuit of 為追求..;in behalf of為…的利益;in favor of 為贊成…;in support of 為支持…

　　506. senior to 比…年長; junior to 比…輕;superior to 比…更好; inferior to 比…差

　　507. sensitive to 對…敏感; sensible (of)覺察到的; sensational聳人聽聞的

　　508. in sequence 按順序, 按先后次序

　　509. share sth. with 與…分享,分擔(dān),分?jǐn)?共用

　　510. be shocked at / by 對…感到震驚

　　511. fall short of 達(dá)不到

　　512. in short (=in a few words, in brief)簡稱

　　513. be shy of 難為情, 不好意思

　　514. take the side of 站在…一邊

　　515. catch the sight of (=see for a moment)瞥見

　　516. at the sight of 一看見…

　　517. speak ill of 說…的壞話; speak well of 說…的好話

　　518. specialize in 專門研究, 專攻

　　519. on the pot(=at the place of the action)在現(xiàn)場, 在出事地點(diǎn); 或(=at once) 立即

　　520. take a stand against 采取某種立場反對 take a stand for 采取某種立場支持…

　　523. stare at 目不轉(zhuǎn)睛地看, 凝視, 盯著

　　524. in step 步伐一致; out of step 步伐不齊

　　525. in stock 有….貨

　　526. be strict with 對…嚴(yán)格要求

　　527. be/go on strike 罷工

　　528. subject…to(=cause…to experience)使受..到 subject (adj.) to 易受到…的

　　529. submit…to 提交

　　530. substitute…for 以…代替…

　　531. suffer from 患…病; 受…苦痛

　　532. supply sb. with sth 向某人提供某物

　　533. make sure about 弄清, 弄確實

　　534. be surprised at對..驚奇; to one’s surprise使某人驚奇

　　535. be suspicious of (=not trusting)對…有疑心

　　536. by sympathetic to/towards對…同情,贊同

　　537. taste of 有…味道

　　538. in good taste大方,得體;(反意)in bad taste

　　539. tell…from (=recognize) 辨別.認(rèn)出

　　540. in terms of (=with regard to; respectively) 按照, 根據(jù), 在…方面

　　541. on second thoughts 經(jīng)再三考慮之后

　　542. at one time 過去一度, 以前曾經(jīng)

　　543. for the time being (=temporarily)暫時

　　544. in time(for) (=early or soon enough)及時on time (=punctually) 準(zhǔn)時

　　545. in total (=all have been added up) 總計

　　546. be in touch with 與…有接觸,有聯(lián)系be out of touch with與…沒有聯(lián)系或接觸

　　547. be true of適合于…的;be true to 忠于…

　　548. place (put, have) trust in 依賴

　　549. in truth 事實上, 實在

　　550. by turns 輪換地

　　551. in turn (=successively; in order) 依次

　　552. be typical of 是…的特點(diǎn)

　　553. for use 以便使用

　　554. in vain (=uselessly) 徒勞

　　555. in the vicinity 在附近; in close vicinity to 在靠近…的地方; in the vicinity of 大約

　　556. in view of (=considering) 考慮到… in the view of 按…的意思

　　557. by/in virtue of (=as a result of, by means of) 由于…; 依靠…力量

　　558. against one’s will 違心地, 違背意愿地at will 隨心所欲; with a will有決心地

　　559. wish for 渴望某物;hope for 想要某物

　　560. in a word總之; in other words換言之; have a word with sb.談一談; have words with sb.爭吵;have the last word有決定權(quán) keep one’s word 遵守諾言