(grinned, grinning)no obj.
1- smile broadly, especially in an unrestrained manner and with the mouth open咧嘴笑, 露齿而笑：
Dennis appeared, grinning cheerfully.
丹尼斯出现了, 高兴地咧着嘴笑。
1.1
- grimace or appear to grimace grotesquely in a way that reveals the teeth龇牙咧嘴：
as adj. grinning a grinning skull.龇着牙的头骨。
- a broad smile咧着嘴的笑, 露齿的笑：
'OK', he said with a grin.'
好吧', 他咧着嘴笑着说。
短语
grin and bear it
- suffer pain or misfortune in a stoical manner苦笑忍受; 逆来顺受。
派生词
grinner
noungrinningly
adverb词源
Old English grennian 'bare the teeth in pain or anger'， of Germanic origin; probably related to GROAN.