a useless or hopeless pursuit
бесполезное или безнадежное преследование
"Looking for that document was a wild goose chase."
"поиск этого документа был тщетной погоней."
to be sensible and intelligent
to give in or fail due to too much stress or pressure
to do something as fast as possible because time is limited
to punish someone personally instead of letting the authorit...
something so impressive that others find it hard to match or...
to change political allegiance or party