Correct
不力
/ bùlì /
Strokes
Definition
not to do one's best/not to exert oneself
Example
As an Adjective
ineffective; incompetent
1
Duì
对
fànzuìfènzǐ
犯罪分子
dǎjī
打击
bùlì
不力
fail to launch an effective crackdown against criminals
2
Lǐngdǎo
领导
bùlì
不力
have slack/weak leadership; not exercise effective leadership
3
Bànshì
办事
bùlì
不力
not exert oneself with one's work; be slack in one's work; lack efficiency/capability with one's work