Nerveless

1.

(get on one's nerves to provoke, irritate) ដែលខូចសរសៃប្រសាទ, ដែលគ្មានកម្លាំងកំហែង, ដែលមិនកម្រើក
Example: The nerves control the actions of the body, the firemen had nerve to go into the burning house, When it came to asking favors, Dang never lacked naive, Dara had to nerve himself for danger.

1.

Destitute of nerves.

2.

Destitute of strength or of courage; wanting vigor; weak; powerless.