Correct

沉睡

/ chénshuì /
Strokes

Definition

to be fast asleep/(fig.) to lie dormant/to lie undiscovered

Example

As a Verb

be sunk in sleep; be fast/sound asleep; slumber heavily; sleep deeply/soundly

1
Zhè
zuò
chéngshì
城市
zài
bèi
kǎoxué
考古学
jiā
zài
再度
xiàn
发现
zhīqián
之前
jīng
已经
zài
xià
地下
chénshuì
沉睡
le
qiān
nián
  

The city had slumbered underground for a thousand years before it was rediscovered by archaeologists.

2
Cóng
chénshuì
沉睡
zhōng
xǐnglái
醒来

awake from a sound sleep

3
Chénshuì
沉睡
de
qúnshān
群山

sleeping mountains

4
Chénshuì
沉睡
xǐng
不醒

be fast asleep; be sunk in sleep; fall into a heavy sleep/slumber

5
Xiàn
陷入
chénshuì
沉睡

fall/sink into a profound/deep/heavy slumber