tā / míng míng / zhī dào / dá àn / què / hái / zài / zhuāng suàn / jiǎ zhuāng / shén me / dōu / bù zhī dào

他明明知道答案，却还在装蒜，假装什么都不知道。

He clearly knows the answer, yet he's still playing dumb, pretending to know nothing.