Correct

目送

/ mùsòng /
Strokes

Definition

to follow with one's eyes (a departing guest etc)

Example

As a Verb

follow sb with one's eyes; gaze after; watch sb go

1
qīn
母亲
sòng
目送
zhāo
érzi
儿子
de
bèiyǐng
背影
  
,
zhídào
直到
kàn
bujiànwéizhǐ
不见为止
  

The mother gazed after her son until he was out of sight.

2
sòng
目送
fānchuán
帆船
yuǎnháng
远航

watch the boat sail into the distance