"Not so fast," replied the youth.

“没那么快。”小伙子回答。

youdao

To travel by bus is easy, cheap and convenient, though not so fast as travelling by plane or so comfortable as by train.

乘公共汽车旅行虽然没有乘飞机那么快，也没有乘火车那么舒适，但是很容易，也很便宜方便。

youdao

Eventually the temperature of the surface waters of the sea rose, not so fast as the air temperature it is true, but fast enough to produce a dangerous increase of humidity.

最终，海水表面的温度上升，虽然不像空气温度上升那么快，但已经快到足以造成危险的湿度上升。

youdao

There are no other molecules on that side of the wall. So there's an attractive force that makes the velocity within not quite as fast.

墙的另一边没有分子,因此吸引力,会降低球的速度。

麻省理工公开课 - 热力学与动力学课程节选

So not bad. Quite good, quite, quite fast.

所以很不错。非常好，非常非常快。

介绍欧洲之星 - SpeakingMax英语口语达人

You're taking the air inside of the pump and you're compressing it. You're doing it so fast that there's not enough time for heat to come out of the gas that's inside the pump towards the walls of the pump.

你把空气吸进气筒里并且压缩它,你的动作很快以至于,没有足够的时间让热量,从气筒里面跑出来,传递到气筒壁上。

麻省理工公开课 - 热力学与动力学课程节选

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