I can tell by your body language that you're happy with the decision.

我能从你的身体语言看出来你对这个决定感到满意。

《柯林斯英汉双解大词典》

When your body language communicates reluctance or anxiety, it undercuts the message.

当你的肢体语言传达出不情愿或焦虑的情绪时会削弱信息的传达。

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Change your body language.

改变你的肢体语言。

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Think about the context in which the disengagement occurred: Did you alter your body language?

FORBES: The Body Language of Disengagement--and How to Deal With It

People watch you all the time, your body language--you can't have an off day.

FORBES: Cover Story

Be sure that you are clearly communicating by being conscience of your body language.

FORBES: How to Read the Signs