“最好别干”“几乎不可能”英语短语怎么说

you'd better not do it.
it's almost impossible.

You'd better not do this.
It is hardly possible.

最好别干Better not do sth

几乎不可能 It is hardly possible.......

had better not ...
“几乎不可能”这个词在不同的语境可以有好多的说法。比如:hardly, almost impossible

You'd better not do it.
kind of impossible!

you had better not to do sth
it is hardly impossible