Encara no tenim significats per a "cautious rap".
1A cautious rap was heard, and then a pause.
2A cautious rap sounded at the door.
3Then there came a cautious rap on the door, followed by the hasty retreat of the person knocking.
4A cautious rap was heard.
5A cautious rap on the iron door, and it was unbolted by Walt Baxter, who had been assigned to that duty.
Aquesta col·locació està formada per: