(feeling) impatient; irritated; irritating; frustrated; frustrating; vexed; vexing
自分の無力さが歯がゆい。
My helplessness is frustrating.
自分では何もできず、ただ見ているだけで歯がゆかった。
I couldn't do anything myself, and just watching was frustrating.
チームの進捗は順調なので、歯がゆくない。
The team's progress is on track, so it's not frustrating.