have a hand in 详细解释

have a hand inhave a hand in1.参与, 与…有关系Do you think she has a hand in it?你认为她跟那件事有关吗?

例句

1. She had a hand in designing the new highway.她参与了这条新公路的设计。 2. Did he have a hand in this decision?他参与了这项决策吗?