laughing uncontrollably
笑得停不下来 (xiao de ting bu xia lai)
"His joke had everyone in stitches."
"他的笑话让大家笑得停不下来。" (ta de xiaohua rang dajia xiao de ting bu xia lai)
extremely pleased or happy
to make someone very sad
to ignore or hide a problem or mistake
good times follow bad times
the ability to imagine and plan the future clearly
to improvise or decide as you go rather than following a fix...