belly laugh 捧腹大笑
I love Mr. Bean, his acting give us a lot of belly laugh.
cackle /ˈkæk.əl/ v. 嘎嘎大笑（不雅）
A group of women were cackling in a corner.
chortle /ˈtʃɔːr.t̬əl/ v. 幸灾乐祸地笑
She chortled with glee(高兴) at the news.
chuckle /ˈtʃʌk.əl/ v. 轻声笑；暗自笑
She was chuckling as she read the letter.
giggle /ˈɡɪɡ.əl/ v. （因为感到有趣、窘迫或紧张而）傻笑
Stop that giggling in the back row!