板
bǎn
I n.
1) board; plank; plate
2) shutter
3) (Ping-Pong) paddle
4) mus. clappers
5) accented beat; time; measure
6) type
II s.v.
1) hard
2) stiff; unnatural
他的面部表情太板。 His facial expression is too stiff.
III v.
stop smiling; look serious
板着脸 keep a straight face