우리가 안으로 들어오자마자 비가 들어붓기 시작했다.>> As soon as we were inside, the rain began to bucket down.우리가 안으로 들어오자 마자 비가 들어붓기 시작했다.>> As soon as we were inside, the rain began to bucket down.▶ bucket down : 비가 들어붓다It's bucketing down now.지금 비가 들어부어.The rain is really bucketing down. 정말 비가 들어붓고 있어.