kick one's heels

kick one's heels[kik wʌnz hi:lz] 

kick one's heels 基本解释
无所事事;
kick one's heels 英英释义

verb

1. wait or pass the time aimlessly or futilely
    be kept waiting

    e.g. She kicked her heels for hours at the gate of the Embassy

    Synonym: cool one's heels