生活口语习语大全H-12：have a hand in 参与(mp3和文本下载)

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脱口说英语口语生活习语

H-12：have a hand in 参与

A：Are you having a hand in looking into the case?
A:你参与调查那件案子了吗？

B:Yes.
B:是的。

A:How do you feel about it?
A:怎么样？

B:It's really a hard nut to crack, The probelm is that the crime was done without leaving any trace.
B：案子很棘手，问题是犯罪分子未留下任何线索。