More problems can develop if a person "looks down his nose" at someone or something. The person ACTS like something is unimportant or worthless.

如果一个人看不起某人或某事会出现很多问题，这个人表现的就像某事根本就不重要或无任何价值所在。

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The person acts like something is unimportant or worthless.

这个人的做法好像是觉得某些事无关紧要或是没有价值。

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