切齿

to gnash one's teeth (in anger)

to cut / to slice / tangent (math)

definitely / absolutely (not) / (scoffing or dismissive interjection) Yeah, right. / Tut! / to grind / close to / eager / to correspond to / see also 反切[fan3 qie4]

tooth / CL:顆|颗[ke1]

(idiom) to gnash one's teeth; to fume with rage

gnashing one's teeth (idiom); displaying extreme anger / fuming with rage between gritted teeth

to gnash one's teeth in anger

weeping and gnashing one's teeth (idiom)

to detest sth or sb to the utmost extreme (idiom)