"contort, twist, make knotty," 1814, a back-formation from gnarled (q.v.). As a noun from 1824, "a knotty growth on wood." Earlier an identical verb was used imitatively in a sense of "to snarl" like a dog (1590s); Farmer & Henley lists gnarler as thieves' slang for "a watch-dog."
权威例句
1. My caress provoked a long , guttural gnarl.
我的爱抚却使它从喉头里发出一声长长的狺声.
2. It have got a good tension strength, stable gnarl pitch , lower noise, small liberation, long life, excellent performance.