unhappiness造句

There was a lot of unhappiness in my adolescence.
年少时我经历过很多不愉快。

His laugh-a-minute image is just a front to hide his deep unhappiness.
他滑稽可笑的形象只是用来掩饰内心深处痛苦的假面具。

He had sensed his mother's unhappiness.
他感觉到了母亲的不悦。

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