HSK 6 HSK V7-9
Correct

昼夜

/ zhòuyè / 
Strokes

Definition

day and night/period of 24 hours/continuously, without stop

Example

As a Noun

day and night; round the clock; all the time

1
Zhòuyè
昼夜
jǐngjiè
警戒
  
/
xúnluó
巡逻

be on a round-the-clock alert/patrol; be on 24-hour alert/patrol

2
Zhòuyè
昼夜
kānshǒu
看守

keep watch round the clock

3
Zhòuyè
昼夜
bù
不
tíng
停
dì
地
gōngzuò
工作

work round the clock