To pretend to be ignorant of something; to feign deafness and muteness to avoid responsibility or involvement.
面对大家的疑问，他总是推聋装哑，不愿给出任何解释。
Facing everyone's questions, he always pretended to be ignorant, unwilling to offer any explanation.
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To pretend to be ignorant of something; to feign deafness and muteness to avoid responsibility or involvement.