dmub哑的，愚蠢的；play dumb 装聋作哑；装傻充愣；装蒜

【例句】
You're too smart to play dumb, Rachel.
你要是聪明，就不该装聋作哑，瑞秋。

Don't play dumb, I know you got your clothes dirty.
别装傻了，我知道衣服是你弄脏的。