expression, i-adjective
very anxious; on pins and needles; can't stop worrying
Describes a state of being so worried or uneasy that one cannot relax. Often used when waiting for important news or when something is at stake.
試験の結果が気が気でない。
I'm on pins and needles about the exam results.
彼女の返事を待つ
While waiting for her reply, I was very anxious.