Correct
插空
/ chā kōng /
Strokes
Example
As a Verb
use one's spare time; avail oneself of leisure
1
Tā
他
shì
是
gè
个
yīnyuè
音乐
àihàozhě
爱好者
,
zài
再
máng
忙
dōu
都
yào
要
chā
插
kōng
空
qù
去
tīng
听
yīnyuèhuì
音乐会
。
As a music lover, however busy he is, he manages to find time to attend a concert.
2
Chā
插
kōng
空
xuéxí
学习
study when there is time