to let leak; to let out (e.g. light); to let out (a secret); to leak (information); to give utterance to (e.g. one's dissatisfaction); to vent; to wet one's pants
Examples (2 in total)
彼らは前奏曲をききもらさないように早く来た。
They came early so they wouldn't miss the prelude.
私たちは一言もききもらさないように注意深く聞いていた。
We listened carefully in order not to miss a single word.