be a mere on-looker的意思|示意
美 / /
英 / /
坐观成败
be a mere on-looker的网络常见释义
坐观成败 坐观成败 sit and watch the result of the battle; be a mere on-looker; look on coldly; sit on the fence; wait to see what will come of another's venture; watch on the sidelines..