Correct

陷落

/ xiànluò / 
Strokes

Definition

to surrender (of a fortress)/to fall (to the enemy)/subsidence (of land)

Example

As a Verb

subside; sink in; cave in

1
Tā
他
jiǎoxià
脚下
de
的
yǐzi
椅子
tūrán
突然
xiànluò
陷落
xiàqù
下去
le
了
  
。

The chair suddenly sank under his feet.

2
Dìqiào
地壳
de
的
xiànluò
陷落

subsidence of the earth's crust

As a Verb

sink into; be caught in; get bogged down (in an unfavourable situation)

3
Xiànluò
陷落
kùnjìng
困境

land oneself in a predicament; be put in a tight spot; fall into trouble

4
Xiànluò
陷落
chóngwéi
重围

find oneself tightly encircled

As a Verb

(of territory) fall into enemy hands; be lost to the enemy; be captured

5
Jīzhàn
激战
yīzhōu
一周
hòu
后
  
,
bǎolěi
堡垒
xiànluò
陷落
  
。

The fort was captured by the enemy after a week-long battle.

6
Xǔduō
许多
chéngchí
城池
xiànluò
陷落
  
。

Many cities fell into enemy hands.