expression, i-adjective
unskilled; not good at
Used to say someone lacks skill or ability in a particular area. Often followed by a phrase indicating the domain, e.g., 〜に腕がない.
彼は料理に腕がない。
He is not skilled at cooking.
私は機械いじりに腕がない。
I'm not good at tinkering with machines.
Positive counterpart meaning 'to be skilled' or 'to have ability'.
A more general adjective for being unskilled or poor at something, without the idiomatic nuance of 腕.
Idiomatic expression from 腕 (arm, skill) + がない (there is no), literally 'to have no arm', figuratively meaning to lack skill.