lead someone by the nose
A:Mike has changed much after marriage.
A:迈克婚后改变了不少。B:Yeah. He's almost become a slave, his wife is leading him by the nose.
B:不错，他差不多变成了奴隶，完全由老婆摆布。
A:It's unbelievable. He used to be such a rough guy.
A:真让人难以相信，他以前可是个不好惹的家伙。