to say something without thinking carefully or checking
未经仔细思考或核对就说出某事 (weijing zixi sikao huo hedui jiu shuochu moushi)
"Off the top of my head, I think there are five options."
"我想，大概有五个选项。" (wo xiang dagai you wu ge xuanxiang)
to be full of great joy or excitement
when performers return to the stage to receive applause
extremely frightened; terrified
to be lost in thought or imagination
to fail completely in an embarrassing way
to fail completely or embarrass oneself
