| 释义 | 
		gnashgnash /næʃ/ verb [transitive] literary ETYMOLOGYgnashOrigin: 1400-1500 Probably from the sound   VERB TABLEgnash |
 | Present | I, you, we, they | gnash |   | he, she, it | gnashes |  | Past | I, you, he, she, it, we, they | gnashed |  | Present perfect | I, you, we, they | have gnashed |   | he, she, it | has gnashed |  | Past perfect | I, you, he, she, it, we, they | had gnashed |  | Future | I, you, he, she, it, we, they | will gnash |  | Future perfect | I, you, he, she, it, we, they | will have gnashed |  
 |
 | Present | I | am gnashing |   | he, she, it | is gnashing |   | you, we, they | are gnashing |  | Past | I, he, she, it | was gnashing |   | you, we, they | were gnashing |  | Present perfect | I, you, we, they | have been gnashing |   | he, she, it | has been gnashing |  | Past perfect | I, you, he, she, it, we, they | had been gnashing |  | Future | I, you, he, she, it, we, they | will be gnashing |  | Future perfect | I, you, he, she, it, we, they | will have been gnashing |  
     gnash your teeth to move your teeth against each other so that they make a noise, especially because you are unhappy or angry  |