微笑 - smile
The corners of your mouth move outwards and slightly upwards.
Her smile makes her even more beautiful.
大笑 - laugh
To make a noise to show one's amusement and happiness. You can laugh at a joke or at an amusing sight. You can laugh at someone without being amused.
Laugh, and the world laughs with you; weep, and you weep alone.
露齿而笑 - grin
To smile with the teeth.
People who confess to feeling happy also grin more than others.
轻声地笑 - chuckle
To laugh quietly.
She was roused by a chuckle which Mr. Dorset seemed to eject from the depths of his lean throat.
咯咯笑 - giggle
To laugh repeatedly foolishly and uncontrollably, esp. by girls.
There was silence for a moment, then a giggle.
坏笑 - snicker
To laugh in a disrespectful more or less secret way.
The shuffle and snicker become the comedian's trademark.
假笑 痴笑 - simper
To smile in a silly unnatural way.
I'll tell you, Scarlett O'Hara, if you'll take that Southern belle simper off your face.
得意的笑 - smirk
To smile in a false or too satisfied way.
Look at his smile, really more of a smirk.
憋笑，痴痴地笑 - titter
To laugh very quietly from nervousness or badly controlled amusement.
He was abusing with anger, but hearers laughed, even Hai Xi Xi close tightly his mouth to titter. I definitely gloated over him.
狂笑 - guffaw
To laugh loudly and rudely.
All the boys burst out into a guffaw at the joke.
哄笑 - roar
To laugh long and loudly.
They roared after they heard the joke.
欢笑 - chortle
To give a laugh of pleasure or satisfaction.
Father used to chortle over the funny funny papers every Sunday.
嘲笑 嘲弄 - ridicule
To laugh unkindly at or to make unkind fun of.
Your conduct subjects you to public ridicule.
讥笑 - deride
To laugh at or make fun of as of no value. /to mock
Most of them, however, mock the clichés used to deride European business.
嘲弄 - mock
To laugh at sb(sth) when it is wrong to do so, esp. by copying in a funny or contemptuous way.
How dare a newspaper published in a country that invented the chip butty and the deep-fried Mars Bar mock the rich and varied cuisine of half a continent?
嘲笑 轻蔑地笑 - scoff
To laugh at, to speak or act disrespectfully. /to speak in scornful mocking way.
Some even scoff at the store's efforts to spruce up its image.
讥笑 - jeer
To laugh rudely at /to insult sb in a loud, unpleasant way.
The children liked to jeer at the awkward student.