It would be better to do sth: 做某事会更好
呆在那儿一段时间
stay there for some time
stay there for a while
It would be better to do sth
做某事将会更好
例:
Indeed, it would be better to put you to death at once, and I've a good mind to do so
老实说,现在马上就处死你倒更称我的心,我也很想这么做。
Wild talk has no use. it would be better to do something steadily.
说狂话有什么用呢,还不如踏踏实实地干出个样子来呢!
做某事会更好的。