Dictionary / Vocabulary / 浮き足立つ
うきあしだつ
to be prepared to flee; to become restless; to become agitated
Also written 浮足立つ、浮き足だつ
君は浮き足立っているね。
You are wavering.
初めての試合で緊張からか浮き足立っていた。
During my first match, I was on edge and fidgety, probably because I was so nervous.