Correct

不逮

/ bù dǎi / 
Strokes

Example

As a Verb

be inadequate/incompetent

1
Lì
力
yǒu
有
bù
不
dǎi
逮

beyond one's power/reach/competence

2
Kuāng
匡
qí
其
bù
不
dǎi
逮

help sb with what he can't