Stay well away from the helicopter when its blades start to rotate.

直升机的螺旋桨开始转动时，尽量离远点儿。

《牛津词典》

Well, you can think about the physics, actually. When I start this oscillation, I have a choice of two things.

你可以想想，物理有关的，事实上，当我开始振荡，我有两种选择。

youdao

Well, the very first mistake they usually make is not to think about testing when they start writing code.

在他们常犯的错误中，首当其冲的是：编写代码时忽略了测试。

youdao

The markets reacted well when the new government said it would start tackling the deficit immediately.

VOA: standard.2010.05.13

Well, all of that might in fact be the goal but it's when you start hearing things like this hopefully that you at least start to grimace a little bit.

这是我们的目标,但实际上当你开始听到这样的事情,你可能开始愁闷苦脸了。

哈佛公开课 - 计算机科学课程节选

But now, when more and more countries start doing it, maybe it won't work so well.

但是现在,随着越来越多的国家开始效仿,人们会发现也许这些制度并不完全有效

耶鲁公开课 - 金融市场课程节选

But the Clinton team has its own penchant for miscalculation, particularly when things start going well.

CNN: On the fast track to impeach

The minister said he wants new teachers to be well prepared when they start working in schools.

BBC: NEWS | UK | Scotland | Teacher training to be 'flexible'

Perhaps the switch to 3G will help Nokia: its stylish new 3G handset unveiled this week, the 6630, is expected to do well when European operators start pushing 3G in earnest later this year.

ECONOMIST: Problems at the world's largest maker of mobile phones