to suddenly start laughing loudly
突然大笑 (tūrán dàxiào)
"Everyone burst out laughing at his joke."
"每个人听了他的笑话都爆笑起来。" (měi gè rén tīng le tā de xiàohuà dōu bào xiào qǐlái.)
to be able to say something during a conversation dominated...
a report confirming good health
to be motivated by strong enthusiasm or love for something
to take money from one part of something in order to pay for...
to openly show one's emotions or feelings
to fall asleep suddenly, especially when sitting