プログレッシブ和英中辞典(第4版)の解説
あわや
nearly; on the verge ((of doing))
あわやと思う間もなく
in an instant/in the twinkling of an eye/in no time at all
あわやおぼれるところだった
I nearly drowned.
あわやというところで助けてもらった
I was rescued just as I was on the verge [brink] of death./《口》 I was saved just in the nick of time.