having only superficial qualities

To act boldly, often by adopting a high-risk, high-reward strategy.

(often imperative, usually sports) To face a challenge by making a bold, superior effort, lest one give up and forgo the opportunity.

Said before closing the bidding for a particular item in an auction, giving other bidders a final opportunity to bid for it.

(idiomatic, informal, slang) To pay for one's own food and bills, or split the cost, when eating at a restaurant or going out for entertainment.

(intransitive) To enter into an armed conflict. / (intransitive) (of a person) To depart, typically from one's home, to join an army at war.

present participle of go Dutch

(intransitive) To explode. / (intransitive) To fire, especially accidentally. / (intransitive) To explode metaphorically; to become very angry. / (intransitive) To begin clanging or making noise.

hortative of go. / Let us begin or get started. (a call to put a plan into action) / (colloquial) Hurry up; be quick. / (colloquial) Bring it on. (an incitement to fight)

Is it going to rain?