正在做某事 in the middle of doing sth ; While doing ; tre en train ; be doing sth
看见某人正在做某事 see sb doing sth ; watch sb doing sth ; see sb. doing ; watch sb. doing sth
总是在做某事 be always doing
听到某人正在做某事 hear sb doing sth
假装正在做某事 pretend to be doing sth
旨在做某事 aim to do sth ; aim at doing sth ; aim at doing sth./aim to do sth
在做某事过程中 In doing
自由自在做某事 be free to do sth
听见某人正在做某事 hear sb. doing sth
斯坦福大学的研究表明,大脑中的图像刺激神经系统的原理与某人实际在做某事是一样的。
Research conducted at Stanford University shows a mental image fires the nerve system the same way as actually doing something.
去年获胜的美国数学奥林匹克代表队的总教练罗博深说:“挑战在于,如果某些类型的人正在做某事,其他人就很难成功打入其中。”
"The challenge is if certain types of people are doing something, it's difficult for other people to break into it," said Po-Shen Loh, the head coach of last year's winning U.S. Math Olympiad team.
在做某事中获得最大的乐趣。
Use this pattern in any situation where you want to explain you've done it before.
当你想解释之前已经做过某事的时候,可以在各种情形下使用这个句型。
or as in our last example, when you want to suggestnot to do something.
或者在刚才的最后一句例句中,当你想建议不要做某事的时候,也可以用这个句型。
I'd better is a great pattern to use in sentences when you're talking about something that you'd like to do.
在谈论你很乐意做某事时,你可以使用“I'd better”句型。
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