Correct

好使

/ hǎoshǐ / 
Strokes

Definition

easy to use/to function well/so that/in order to

Example

As a Verb

be convenient to use; function/work well

1
Zhè
这
tái
台
shèxiàngjī
摄像机
hěn
很
hǎo
好
shǐ
使
  
。

This video camera is quite handy to operate.

2
Rén
人
lǎo
老
le
了
ěrduo
耳朵
bù
不
hǎoshǐ
好使
  
。

Our hearing becomes poor when we get old.