World Smile Day is celebrated on May 8 every year.
![Pupils(学生们 xuéshēngmen) demonstrate smiley cards(卡片 kǎpiàn) to greet the upcoming World Smile Day at a primary school in Qinhuangdao, north China's Hebei Province, May 7, 2019. [Photo: Xinhua]](http://img2.zhytuku.meldingcloud.com/images/zhycms_chinaplus/20190508/796dc002-ee5f-411a-94aa-31fb510dc5be.jpg?x-oss-process=image/resize,w_650)
Pupils(学生们 xuéshēngmen) demonstrate smiley cards(卡片 kǎpiàn) to greet the upcoming World Smile Day at a primary school in Qinhuangdao, north China's Hebei Province, May 7, 2019. [Photo: Xinhua]
![Pupils(学生们 xuéshēngmen) demonstrate smiley cards(卡片 kǎpiàn) to greet the upcoming World Smile Day at a primary school in Handan, north China's Hebei Province, May 7, 2019. [Photo: Xinhua]](http://img0.zhytuku.meldingcloud.com/images/zhycms_chinaplus/20190508/fa02ea46-9b79-471e-ae7f-d3becaebbe9d.jpg?x-oss-process=image/resize,w_650)
Pupils(学生们 xuéshēngmen) demonstrate smiley cards(卡片 kǎpiàn) to greet the upcoming World Smile Day at a primary school in Handan, north China's Hebei Province, May 7, 2019. [Photo: Xinhua]
![A kid(孩子 háizi) demonstrates a handmade smiley card(卡片 kǎpiàn) to greet the upcoming World Smile Day at a kindergarten in Zhenjiang, east China's Jiangsu Province, May 7, 2019.[Photo: Xinhua]](http://img3.zhytuku.meldingcloud.com/images/zhycms_chinaplus/20190508/eac49244-a3b3-49a6-9207-6d3bf7c35deb.jpg?x-oss-process=image/resize,w_650)
A kid(孩子 háizi) demonstrates a handmade smiley card(卡片 kǎpiàn) to greet the upcoming World Smile Day at a kindergarten in Zhenjiang, east China's Jiangsu Province, May 7, 2019.[Photo: Xinhua]
![Kids demonstrate smiley cards(卡片 kǎpiàn) to greet the upcoming World Smile Day at a kindergarten in Zigui County, central China's Hubei Province, May 7, 2019. [Photo: Xinhua]](http://img1.zhytuku.meldingcloud.com/images/zhycms_chinaplus/20190508/b51f0c18-72b7-4a1a-a371-4f2d74f8af33.jpg?x-oss-process=image/resize,w_650)
Kids demonstrate smiley cards(卡片 kǎpiàn) to greet the upcoming World Smile Day at a kindergarten in Zigui County, central China's Hubei Province, May 7, 2019. [Photo: Xinhua]
![Pupils demonstrate smiley cards(卡片 kǎpiàn) to greet the upcoming World Smile Day at a primary school in Handan, north China's Hebei Province, May 7, 2019.[Photo: Xinhua]](http://img2.zhytuku.meldingcloud.com/images/zhycms_chinaplus/20190508/3581c5b8-6b86-4190-8ae5-1010e186981b.jpg?x-oss-process=image/resize,w_650)
Pupils demonstrate smiley cards(卡片 kǎpiàn) to greet the upcoming World Smile Day at a primary school in Handan, north China's Hebei Province, May 7, 2019.[Photo: Xinhua]
![Pupils demonstrate smiley cards(卡片 kǎpiàn) to greet the upcoming World Smile Day at a primary school in Handan, north China's Hebei Province, May 7, 2019. [Photo: Xinhua]](http://img1.zhytuku.meldingcloud.com/images/zhycms_chinaplus/20190508/6066c492-7ef5-4e4a-b674-a7cc86aa2f33.jpg?x-oss-process=image/resize,w_650)
Pupils demonstrate smiley cards(卡片 kǎpiàn) to greet the upcoming World Smile Day at a primary school in Handan, north China's Hebei Province, May 7, 2019. [Photo: Xinhua]
各种笑 Types of laughing:
[wéixiào] 微笑 smile [dà xiào] 大笑 roar [lěngxiào] 冷笑 sneer; laugh scornfully [níngxiào] 狞笑 grin hideously [jiǎ xiào] 假笑 simper [jīxiào] 讥笑 deride [cháoxiào] 嘲笑 taunt; laugh at [kǔxiào] 苦笑 force a smile [shǎxiào] 傻笑 smirk [ànxiào] 暗笑 laugh inwardly [pí xiào ròu bù xiào] 皮笑肉不笑 crafty smile [qiǎngyán huānxiào] 强颜欢笑 squeeze a smile [pěngfù dà xiào] 捧腹大笑 guffaw [hōngtáng dà xiào] 哄堂大笑 explode with laughter [hāhā dà xiào] 哈哈大笑 laugh heartily [gēgē de xiào] 咯咯地笑 giggle |