stop doing sth和stop from doing sth 有什么区别?一般怎么用?

stop doing sth停止做某事
The two girls stopped talking when they saw me.
那两个女孩一见到我就停止了讲话.
常用stop sb from doing sth
1.阻止某人做某事
..stop sb.from doing sth.意为“阻止某人做某事”
zhidao.baidu.com - 相关搜索
2.是阻止某人正在做的事情
听见门铃声,她停下手中的活去开门.stop sb.from doing sth 是阻止某人正在做的事情...e.g.I tried to stop my father from smoking,but failed.
iask.sina.com.cn - 相关搜索
3.停止某人做某事
stop sb.from doing sth.停止某人做某事...stop doing sth.停止做某事
wenwen.soso.com - 相关搜索