turn one's back on sb.
(1) turn one's back on sb./sth.基本义“转身背对......”
(2) turn one's back on sb./sth.引申义“对……不闻不问，对……漠不关心，背弃……”
英语解释为to refuse to help, support, or be involve with someone or something。
例
I turned my back on my friends and my family, and everything I believed in.
我背弃了我的朋友，我的家庭，我所重视的一切。
He would never turn his back on this company.
他绝不会背弃这些同伴的。《摩登家庭》
turn a blind eye to sth.
turn a blind eye to sth. “对......视而不见，对......熟视无睹，对......睁一只眼闭一只眼”
英语解释为to deliberately ignore something that you know should not be happening。
例
He decided to turn a blind eye to his boss's goings-on.
他决定当做没看到他老板的异常举动。
Jules was turning a blind eye to her husband's infidelities.
朱尔斯对她丈夫的不忠行为睁一只眼闭一只眼。
turn a deaf ear to sth.
turn a deaf ear to sth. “对......充耳不闻，对......置若罔闻”
英语解释为to be unwilling to listen to what someone is saying or asking。
例
How can you turn a deaf ear to your friend's distress?
你怎么可以对你朋友的痛苦置若罔闻？
He turned a deaf ear to his wife's advice.
他对他妻子的建议置若罔闻。
,
