have a hand in 参与或介入...; 插手，对...有一定责任

They don't want to take a hand in this matter.
他们不想参与这事。
I had a hand in arranging the party.
安排这个聚会时我也插手了。
The police feel sure that Sutton had a hand in the Boston bank robbery.
警方认为沙顿肯定参加了波士顿银行抢劫案。

have... in common:

1.The two have nothing in common. 两者毫无相同之处。

2.We have a lot in common.我们有很多相同之处。

3.We have something in common. 我们有许多相同之处。

take charge 掌管，指挥

In somebody’s favor: 对某人有利，

The exchange rate is in our favor. 这兑换率对我们有利。

The modified payment terms are in the seller’s favor. 修改后的付款条款对卖方有利。

in favor of 赞成(支持,有利于,较大)

例句与用法:
1. Sentiment in the town is now in favor of a cut in tax.
市民的情绪是赞成减税。

2. Public opinion was moving strongly in favor of disarmament.
公众舆论正在强烈支持裁军。

3. Are you in favor of his opinion?
你会赞成他的意见吗?

4. In their discussion, I was in favor of Mr. Li.
在他们的争论中, 我支持李先生