她露出一副察言观色、处处提防的表情。

Her expression was watchful and alert.

《牛津词典》

接着，老人的脸慢慢地皱了起来，露出了一副新表情。

Then, the old man's face wrinkled itself slowly into a new expression.

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因此，在西方国家旅游的时候，如果迎面而来的人对我们说哈啰，别露出一副莫名其妙的表情，甚至置之不理！

Therefore, tourism in Western countries, if approaching people told us that Kazakhstan running, and other exposed a bewildered expression, or even ignored!

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