这个提案涉及多个棘手问题,需要进一步讨论。

This proposal involves several thorny issues that need further discussion.

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This proposal involves several thorny issues that need further discussion.

thorny 是形容词,由名词 thorn(荆棘)加上后缀 -y 构成,字面意思是"像荆棘一样的",引申为"棘手的、困难的",形容问题复杂难解。

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