have a finger in every pie 參與一切事情, 好管閑事;

You want to have a finger in every pie, don’t you?

你什么事都要參上一腳嗎?

be all fingers and thumbs 笨手笨腳

I’m all fingers and thumbs this morning.

今天上午我笨手笨腳老是出差錯。

put the finger on 告發，指出

Someone put the finger on the leader of the gang.

有人告發了那幫歹徒的頭目。

give someone the finger 豎起中指, 表示嘲笑

Give a clown your finger， he’ll grasp your fist.

如果你嘲笑小丑，他就會抓住你的拳頭(打你)。

finger/writting on the wall 災難降臨的預兆，不祥之兆

The increase in electricity prices is the writing on the wall for many small businesses.

電費的提高對許多小企業來說是個不祥之兆。