lead somebody by the nose

to influence someone so much that you can completely control everything that they do 牵着某人的鼻子走，使某人完全听命于自己

Politicians think they can easily lead people by the nose.

政客以为他们能轻易牵着民众的鼻子走。

Examples from the Corpus

lead somebody by the nose• He let her lead him by the nose.

→ lead somebody by the nose at lead1(5)