向きになる

ムキになる

to become serious; to take something seriously (e.g. a joke, teasing); to become irritated or angry (esp. at something trivial); to get worked up

expression verb

Example sentences

何（なん）でもかんでもむきになってあくせくするのをやめれば、きっと人々（ひとびと）は今（いま）の２倍（ばい）も長生（ながい）きするだろう。

I'm sure people would live twice as long if they stopped getting themselves worked up over everything.