(idiomatic) Expresses perplexity, puzzlement, or surprise (as if telling somebody to try to make sense of the situation).

A small, open-wheeled vehicle for racing. / (dated) A framework moving on casters, designed to support children as they learn to walk; a baby walker.

To proceed with; to begin. / (imperative) Used to grant permission for or to give endorsement of a suggestion or proposal. / (procedure word, military) To send communication over the radio.

Used other than figuratively or idiomatically: see go, to, work. / To begin performing some task or work. / To go to one's job, as by commuting. / (idiomatic) To beat up, to batter.

(intransitive, informal, UK) To make an attempt; to try. / (intransitive, informal, idiomatic, UK) To attack (physically).

(intransitive, colloquial) To date one person regularly and exclusively.

(intransitive) to become twisted, or turned to one side / (intransitive) to depart from the correct course / Of a situation, to fall apart or unravel; to fall into disorder; to hit the fan.

(intransitive, idiomatic) To make progress or achieve success.

(intransitive, especially of an animal, chiefly UK) To escape into a burrow, hole, etc. when being hunted.

To move or spread from person to person. / To share with everyone. / (aviation) To perform a go-around maneuver. / Used other than figuratively or idiomatically: see go, around.