龇牙

她虚伪地龇牙笑了一笑。

She had a cheesy grin on her face .

该报告的数据采集自超过8.6亿QQ用户，他们认为“龇牙”表情礼貌、可爱而又友好，因而是网上搭讪的不二之选。

The report was based on the data of more than 860 million QQ users , for whom means polite , cute , and friendly , and has become the best way to say hello when chatting online .

不能咬人就别龇牙。

If you can 't bite , never show your teeth .

他朝我龇牙一笑，好像彼此会心领略一个笑话。

He grin at me , as if sharing a secret joke .

此时的小虎只会本能地紧鼻龇牙，面露凶相，并以尖声的吼叫吓退来犯者。

Baby tiger at this stage will instinctively bare its teeth , tighten its nose and bark to scare off invaders .

放松下巴、前额和嘴唇的肌肉来保持沉着冷静、然后龇一龇牙。

Relax the muscles in your jaw , forehead , and lips to keep cool , then eke out a grin .

极端情况下，如果狗狗极度焦虑，就会龇牙，或者咬人，但是科伦博士说还有“更微妙的迹象”表明它也许非常难受。

At an extreme end , when a dog is especially anxious it bares its teeth or may bite , but Dr Coren said there are ' subtler indicators ' that it may be uncomfortable .

报告还显示，国人平均每天打开微信14.5次，每天使用社交媒体的时间是48分钟，使用最多的表情符号是“龇牙”。

The report also indicated that Chinese people check their WeChat 14.5 times on average and spend 48 minutes on social media per day . " Grin " is the most frequently used emoji by Chinese .