地面凹进去了。
The ground has caved in.
凹
concave; depressed; sunken; indented; female (connector etc)
adjective HSK 3.0 · Band 7
Watch it being written
Every character draws itself, stroke by stroke. Then grab the brush: trace it yourself and hear the word when you finish.
凹
Nice writing!
See it in sentences
这路面为什么凹了？
Why has this road surface sunk in?