1to bite off; to sever or cut through something by biting
彼は固いクラッカーを噛み切れず、手で割った。
He couldn't bite through the hard cracker, so he broke it by hand.
子どもが骨付きの肉を噛み切ろうとしている。
The child is trying to bite off the meat on the bone.
古い針金を歯で噛み切るのはやめなさい。
Don't try to bite through old wire with your teeth.