In American culture, a weak handshake is a sign of a weak character.

在美国文化中，弱握手是一个迹象，一个弱的特点。

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If the handshake is weak, it is a sign of weakness or unfriendliness.

如果握手不够有力，将会是软弱或不友好的表现。

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If you receive a very weak handshake, don't grimace, just deal with it as that is the other person's preference and we should strive to mirror others where we can for the sake of social synchrony.

如果你接受了一次很轻的握手，不要痛苦做鬼脸，把那当做是对方的喜好。你应该尽可能的示意别人和自己握手以求社会的一致。

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Belichick offers a weak handshake to Mangini after beating the Jets in the second game of the season.

WSJ: Bruins, Rangers to carry on Boston-New York lore

It was just the kind of deal, consummated with a firm handshake over weak coffee, that one would expect from the rich and powerful who inhabit the forum's corridors.

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Once the interviewer greets you, make eye contact and offer a palm-to-palm handshake that is not too strong and not too weak.

FORBES: Interview Body Language Mistakes That Can Cost You The Job