smile broadly, especially in an unrestrained manner and with the mouth open
咧嘴笑，露齿而笑
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Dennis appeared, grinning cheerfully .丹尼斯出现了，高兴地咧着嘴笑。
grimace or appear to grimace grotesquely in a way that reveals the teeth
龇牙咧嘴
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[as adj.
grinning ]a grinning skull .龇着牙的头骨。
a broad smile
咧着嘴的笑，露齿的笑
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‘
OK', he said with a grin. ‘好吧’，他咧着嘴笑着说。
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grin and bear it suffer pain or misfortune in a stoical manner 苦笑忍受；逆来顺受
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grinv.咧嘴笑；露齿而笑；龇牙咧嘴
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grainn.小麦；谷粒；纹路；纹理；性格；天性；胭脂虫；胭脂虫红；晶粒
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gainv.获得；得到；取得；增加某物的数量或比率；提高；改善；到达；逼近；接近；使…（转而）支持自己的利益
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gridn.格栅；栅栏；网格；美式橄榄球球场；橄榄球赛；输电网；坐标方格；始发线；栅极；计算机联网
"Old English