Both seem somewhat nervous - he with his left arm crossing his body and fingers slightly rounded in a closed position - and her with her left hand elevated as if to keep harm at bay.

两个人看起来似乎都有些紧张——他将左手微微放到身体前方，手指轻轻地握紧——而她则将左手高高抬起，似乎在控制自己的情绪。

youdao

He decided to have his arm set at an Angle so that he could keep playing the guitar.

他决定要在他的手臂的角度设置，以便他能继续弹吉他。

youdao

You must keep the left arm absolutely straight and do not move your head at all.

你必须保证左手绝对伸直，并且头一点也不能动。

youdao

He decided to have his arm set at an angle so that he could keep playing the guitar.

VOA: special.2009.09.27

The more uncertainty there is, the more each woman is likely to keep the other at arm's length.

WSJ: Getting Along With the Original Other Woman��Your Mother-in-Law

Unreasonably allergic to immigration, reasonably wishing to leave people to their own devices, Britain has sought to keep the colonies at arm's length.

ECONOMIST: Is it a colony or isn��t it?

"There was a very concerted attempt not to play this game, to keep the media at arm's length, " he told BBC Two's Newsnight.

BBC: Nothing personal: Politicians and their media friends