to cut; to cut through; to sever (connections, ties); to turn off (e.g. the light); to terminate (e.g. a conversation); to hang up (the phone); to punch (a ticket)
Examples (3 in total)
今日もはりきっていきますか。
Shall we go at it with full vigor today, too?
おいおい、あんまりはりきると危ないぞ。
Hey, hey, it's dangerous if you get too eager.
どうやら、初日だと思って、はりきりすぎてしまったようだ。
It seems that, thinking it was the first day, I got too carried away.