【"finger"可以这样用】

be all fingers and thumbs 笨手笨脚；

get one's fingers burned 吃苦头；

have a finger in every pie 好管闲事；

keep one’s fingers crossed 希望走好运；

lay a finger on 触碰,冒犯;

put the finger on 告发；

snap one's fingers at 对…弹手指，表示轻蔑；

point the finger at someone 指责某人

put one's finger on sth. 回忆起/分辨出

lay one's finger on sth查出/找到 (We haven't been able to lay a finger on those photos.我们还不能够找到那些图片）

keep one's fingers crossed 乞求某事成功