401. step up 增加,加速
402. stick to 坚持,坚持,遵循
403. stimulated by 受...的刺激
404. stir up 激起,挑起
405. such as 比方说,例如
406. support for 对…的支持
407. sure enough 果然
408. take away 拿走,夺走
409. take a step 采取措施
410. take advantage of 利用
411. take away 消耗,清除
412. take care of 照顾
413. take...for 把...看作...
414. take in 接受,吸收,欺骗
415. take on 呈现,从事
416. take over 接管
417. take to 开始喜欢,开始从事,开始沉湎于
418. take up with 开始和...来往
419. take up 占据,从事
420. thanks to 由于,幸亏
421. the bulk of… 的主要部分,大多数
422. the former…the latter… 前者…,后者...
423. to…extent 在…范围,到…程度
424. to caution against 对…予以警告
425. to center around 以…为中心
426. to some extent 某种程度上
427. to such an extent that 到...的程度,以至
431. to turn sth. into 把…转换为...
432. together with 一起
433. transition to 向…的过渡,向…的转变
434. turn away 走开,转过脸
435. turn over 翻过来
436. turn round 转过身来
437. turn to 求助于
438. turn up 调大,出现
439. what is more 而且
440. with regard to 关于
441. with that 说罢
442. with the exception of 除...外
443. with…speed 以…的速度
444. work away 一直在工作
445. work out 解决,算出,制定出
446. work up 逐步建立,逐步发展
447. worse than 坏于…
448. write in 提出书面要求
449. write off 报废,勾销
450. write out 写出,取消某角色