without any logical reason to doubt; with full certainty
毫无合理怀疑;完全确定 (hao wu heli huaiyi; wanquan queding)
"The evidence proved his guilt beyond a reasonable doubt."
"证据证明了他的罪行毫无合理怀疑。" (zhengju zhengming le ta de zuixing hao wu heli huaiyi)
to remain composed and not panic
past one's prime; no longer young or at peak performance
To be caught unprepared or embarrassed.
to withdraw from an agreement or commitment
to deal with a difficult technological challenge
used to say that you forgive someone