查询词典 do's

be sure to do sth / that：从句:一定/务必做某事

be sure of sth相信/确信某事 | be sure to do sth / that +从句:一定/务必做某事 | decide to do / wh- to do 决定--

be sure (not) to do sth：一定\ 务必 (不) 做某事

be afraid to do sth害怕做某事 | be sure (not) to do sth一定\\ 务必 (不) 做某事 | be suitable for sb to do sth 适合某人做某事

make/be sure to do：确定做

28. would rather do/ 虚拟语气 宁愿做 | 29. make/be sure to do 确定做 | 30. manage to do 设法做

be unable to do sth：不能够做某事

be able to do sth 能够做某事 | be unable to do sth 不能够做某事 | warn to do sth 警告做某事

be unable to do something：不能做某事

be able to do something 能够做某事 | be unable to do something 不能做某事 | enable somebody to do something 使某人能够做某事

能 会be unable to do 不能 不会：be able to do

50. work out 算出 结局 | 51. be able to do 能 会be unable to do 不能 不会 | 52. thank you for doing 谢谢做某事

be used for sth：和 be used to sth. / doing 的用法区别

(1)He showed great courage in battl... | (2) He gained courage to catch up with hi... | 2.use sth. to do sth..; be used to do sth. ; be used for sth.; used to do sth. 和 be used to sth. / doing 的用法区别

be willing to do sth：愿意做某事/形容词词组

14. be afraid to do sth. 害怕做某事/形容词词组 | 15. be willing to do sth. 愿意做某事/形容词词组 | 16. do sth. with a purpose 有目的地做某事/故意做某事/动词词组

be willing to do=be prepare to do：願意做

13.I an willing to bring in a present for you.我將願意帶一份禮物給你 | 18. be willing to do=be prepare to do 願意做.... | be unwilling to do 不願意做......

begin to do sth./start to do sth./startdoing sth：开始做某事

26. ask sb. to do sth.要求某人做某事 | 27. begin to do sth./start to do sth./startdoing sth.开始做某事 | 28. all of them他们中的全部

payoff：回报

障碍期权(Barrier Options)是指期权的回报(Payoff)依赖于标的资产的价格在一段特定时间内是否达到了某个特定的水平(临界值),这个临界值就叫做"障碍"水平.

to do one's hair in knot：挽髻

fringe流海 | to do one's hair in knot.挽髻 | to undo one's knot 解髻