641. on the sly (=secretly) 偷偷地642. smell of 有…的气味643. be sorry about/for 懊悔的,后悔的,难过的644. speak ill of 说…的坏话;speak well of 说…的好话645. specialize in 专门研究, 专攻646. in spite of (=despite) 尽管647. on the pot(=at the place of the action)在现场, 在出事地点; 或(=at once) 立即648. take a stand against 采取某种立场反对；take a stand for 采取某种立场支持…649. stare at 目不转睛地看, 凝视, 盯着650. in step 步伐一致; out of step 步伐不齐651. stick sth. on 把…贴在…上652. stick to 粘着, 坚持653. stick at (=continue to work hard at)继续勤奋地致力于…;stick one’s work坚持工作; stick at one’s books 勤奋读书 654. stick to (=refuse to leave or change)坚持; stick to one’s promise 比喻食言；stick to one’s friend 忠于朋友655. in stock 有….货656. be strict with 对…严格要求657. be/go on strike 罢工658. subject…to(=cause…to experience)使受..到 subject (adj.) to 易受到…的659. submit…to 提交660. substitute…for 以…代替…661. suffer from 患…病; 受…苦痛662. be suitable for (=fit) 合适…的663. in sum 大体上, 总之664. supply sb. with sth 向某人提供某物665. superior to 优于…, 比…好666. in support of 以便支持667. be sure of (=have no doubt; certain)确信的668. for sure / certain (certainly, definitely) 肯定地.有把握地说 669. make sure about 弄清, 弄确实670. be surprised at对..惊奇;take…by surprise使…惊奇; to one’s surprise使某人惊奇671. suspect sb. of 疑心某犯有…672. be suspicious of (=not trusting)对…有疑心673. by sympathetic to/towards对…同情,赞同674. sympathize with sb. or sth. 对…表示同情675. be in sympathy with 赞同,同情676. taste of 有…味道677. in good taste大方,得体;(反意)in bad taste678. to(one’s) taste 合…的口味, 中意679. tell…from (=recognize) 辨别.认出680. in terms of (=with regard to; respectively) 按照, 根据, 在…方面