- 揣着明白装糊涂 chuāizhemíngbaizhuānghútu to play dumbto pretend not to know something even though one understands it perfectly; to feign ignorance
- 放着明白装糊涂 fàngzhemíngbaizhuānghútu to pretend to be ignorantto feign confusion or ignorance about something one actually understands perfectly; to play dumb