YOU SAID:
Hi fell and hit my head
INTO JAPANESE
こんにちは、落ちて頭を叩きました
BACK INTO ENGLISH
Hello, I hit a fallen head
INTO JAPANESE
こんにちは、倒れた頭を打ちました
BACK INTO ENGLISH
Hello, I struck the fallen head
INTO JAPANESE
こんにちは、落ちた頭を打ちました
BACK INTO ENGLISH
Hello, I struck the fallen head
You've done this before, haven't you.