early 15c. variant of Middle English gnasten "to grind the teeth together" in rage, sorrow, or menace (early 14c.), perhaps from Old Norse gnasta, gnista "to gnash the teeth," of unknown origin, probably imitative. Compare German knistern "to crackle," Old English gnidan "to rub, bruise, pound, break to pieces," Danish knaske "crush with the teeth." Related: Gnashed; gnashing.
例文
1. Father is knitting brows closely，bit gnash one 's teeth agree.
父は眉をひそめ、歯を食いしばって承諾した。
2.There has been much gnash of teeth over the new legislation.
新しい法規に憤慨する人は少なくない。
3.Your gnash one 's teeth says:Upstairs corridor falls！
上の通路から落ちた！と歯を食いしばって言ってください。
4.Excuse me：What did when sleeping in the evening， gnash one 's teeth represent？What symptom be？どんな症状ですか。
5.Judge the gnash teeth in hatred ground say：Judge your 20 years imprisonment specific term！