Correct

退潮

/ tuìcháo / 
Strokes

Definition

(of a tide) to ebb or go out

Example

As a Verb

(of the tide) ebb; recede

1
Dàhǎi
大海
tuìcháo
退潮
shí
时
  
,
hǎiàn
海岸
shàng
上
liúxià
留下
xǔduō
许多
měilì
美丽
de
的
bèiké
贝壳
  
。

As the sea receded from the shore, many beautiful shells were left behind.

2
Tuìcháo
退潮
le
了
  
。

The tide is ebbing. / The tide is beginning to ebb.

3
Děnghòu
等候
tuìcháo
退潮

wait for the tide to go out