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