Rising oil prices have piled on the agony and will push some smaller airlines into bankruptcy.油价的不断上涨更是雪上加霜，将会导致一些小型航空公司破产。When she was telling us about her headache, she really piled on the agony just to gain our sympathy.她在同我们说起她头痛时，真的在过分渲染以取得我们的同情。