A raised eyebrow, a confused look, or a nod of the head are just a few of the facial expressions that computers could soon be using to read people's minds.

翘起的眉毛，烦恼的表情，或者是点头，这些都是用计算机解答人类情感的诸多面部表情中的一部分。

youdao

How could a thinking people accept this and a host of other bald statements at face value, without so much as a raised eyebrow or a silently murmured really?

作为一个有思想的人，怎能真心接收这类丝毫不加掩饰的说法，而不对其报以质疑，乃至私下的议论？

youdao

Often it's the delivery which causes the audience to smile, so speak slowly and remember that a raised eyebrow or an unbelieving look may help to show that you are making a lighthearted remark.

通常是你说话的方式使听众发笑，因此说慢一些，记住扬扬眉毛或者摆出一副难以置信的表情，这些都会向人们显示你正在说笑话。

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Swing changes are the stuff of spring training optimism, but when the changes lead to regular-season success it is worth at least a raised eyebrow.

WSJ: Don't Blame the Yankees' Replacements

So it remains to be seen if this rather unusual public outburst against Mr Blair - and Mr Bush - will just cause a raised eyebrow for one day, or mark a rather more important ratcheting up of public concern in Britain about where Middle East policy is going.

BBC: NEWS | UK | Diplomats' scathing letter to Blair

Offenders know a slap on the wrist or a sternly-raised eyebrow is the worst they face, and when the economy is buzzing again, no one wants to throw sand in the gears.

FORBES: Fiscal Follies: The PIGs Are At It Again