prevent sb from doing sth是什么意思
cant stop doing sth是什么意思
cant help doing sth是什么意思
suggest doing sth是什么意思
stop sb from doing sth
doing sth的doing 如何判断是动词还是形容词
stop sb. from doing sth.
waste time to do 还是doing sth
employ oneself in doing sth例句
admire sb for doing sth