lead someone by the nose

US /liːd ˈsʌm.wʌn baɪ ðə noʊz/
UK /liːd ˈsʌm.wʌn baɪ ðə noʊz/
"lead someone by the nose" picture
1.

人を手玉に取る, 人を完全に操る

to control someone completely and make them do exactly what you want

:
He's so easily manipulated; his wife really leads him by the nose.
彼はとても操りやすい。妻が彼を完全に手玉に取っている
Don't let them lead you by the nose; make your own decisions.
彼らに言いなりになるな。自分で決断しなさい。