toughing v. [美国口语]忍耐，忍受，熬过（常与 out连用）( tough的现在分词 ) 释义与例句 v. 1. present participle and gerund of tough 相关短语 toughing out toughing it out tough out [美口]咬紧牙关挺过(压力,困难等) tough it out [美口] 咬紧牙关挺过去