stumble 1.to hit your foot against sth while you are walking or running
and almost fall 绊脚 2.to walk or move in an unsteady way 跌跌撞撞地走;蹒跚而行
3.to make a mistake or mistakes and stop while you are speaking, reading
to sb or playing music (不顺畅地)说,读,演奏
vacant 1.empty; not being used 空着的;未被占用的 2.if a job in a company is
vacant , nobody is doing it and it is available for sb to take (职位)空缺的
3.showing no sign that the person is thinking of anything
无神的;呆滞的;茫然的;若有所失的
v. 急升;猛增;升空;升腾;高飞;翱翔 1. I only wish the company's sales soared!
我只希望公司的销量猛增了! 2..Business failures soared by more than a third in the
second half of this year. 下半年企业破产猛增了三分之一强。