1. 完全受⋯⋯支配, 任由⋯⋯摆布。leave to the tender mercies of ( 任由⋯⋯摆布, 使吃⋯⋯的苦头) , 如: He was left to the tender mercies of the landlord. ( 他大受地主的虐待) 。What a mercy that...( 幸好/ 幸亏⋯⋯) , 如:What a mercy ( 或It is a mercy) that you did not go!( 幸亏你没去! )

2. 在命运的急流中漂泊。current n. ①水流, 气流, 电流, 如: a cold current ( 寒流) ; the Japan current ( 日本海流, 黑潮) ; an alternating / a direct current ( 交/ 直流电) ; current of air ( 气流) 。②思潮, 潮流, 趋势, 倾向, 如: the great current of events ( 天下大势) ; current of time / the times ( 时势, 时代潮流) ; go with the current of the times ( 顺应时代潮流) 。

3. trait n. 个性特征, 如: a new trait ( 新品质, 新特点) 。