sting|stinging|stings

她的批评给他留下了深深的刺痛。

Her criticism left a deep ___sting in him.

蜜蜂蜇人的感觉会相当疼痛。

A bee's ___stinging sensation can be quite painful.

他朋友的背叛让他感到非常痛苦。

His friend's betrayal ___stings him deeply.