underdressed

I'll confirm the dress code for the party tomorrow. I don't want to be underdressed.

我明天会确认派对的服装规定;我可不想穿著不得体.

——期刊摘选

She was underdressed for the hiking trip and suffered hypothermia.

她徒步旅行时穿得有些单薄,因此感觉浑身发冷.

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