to suddenly start laughing loudly
突然大声で笑い出す (totsuzen ōkī de waraidasu)
"Everyone burst out laughing at his joke."
"彼のジョークで皆突然笑い出した。" (kare no jōku de mina totsuzen warai dashita)
to control your emotions or not express them
full of happiness and excitement
To not take something too seriously or literally
A sudden creative idea
to be an example that others should imitate
to do something risky without worrying
