To initiate an attack on or an argument with.
Used other than figuratively or idiomatically: see go, at.
To try to solve a problem a specific way; to undertake a task.
To attempt to fight, compete with, or engage with.
To assume or take responsibility for.
To (attempt to) dribble round (an opposition player).
To catch on, do well; to become popular.
To obtain the services of (a person) in exchange for remuneration; to give someone a job.
To begin to have or exhibit.
To acquire, bring in, or introduce.
To grieve or be concerned (about something or someone).