how to write ao(concave) in chinese

凹

pinyināo
radicals凵Stroke count5
eanglish meaningconcave; hollow; sunken; dented; cave in; dent; sink; low-lying area; depression

Stroke order of the Chinese character "凹" (ao)

Handwriting

adj. （比周围低） concave; hollow; sunken; dented:

1. 凹凸不平
full of bumps and holes; uneven;

2. 人的手掌是微凹的。
The palm of one's hand is slightly concave.

v. （向内陷进去） cave in; dent; sink:

1. 路凹下去了。
The road caved in.

2. 汽车的发动机罩已凹了进去。
The car hood was dented in.

3. 他的眼睛[面颊]凹下去了。
His eyes [cheeks] have sunk in.