bootlicker

This bootlicker is really despicable as he is always stabbing others in the back.

这个佞人,专门背后整人,真是卑鄙.

Promise me this, if you get another servant, don't get a bootlicker.

答应我，如果您再找一个仆人，千万别找马屁精。

That guy is a real bootlicker.

那个家夥真是个马屁精。

She is a bootlicker.

她是个马屁精。