塌

塌 ：动词

1.(倒塌) collapse; fall down; cave in:

The river floods caved in the bank. 河水泛滥， 冲塌了堤岸。

The wall collapsed [fell in]. 墙塌了。

2.(凹下) sink; droop:

The flowers drooped in the hot sun. 花儿晒塌秧了。

He looked very pale; his cheeks had sunk in. 他脸色苍白， 双颊塌了下去。

3.(安定; 镇定) calm down; settle down to:

settle down to one's study 塌下心来学习

以上来源于《新汉英大辞典》