YOU SAID:
Aha! You thought the moustache would fool me.
INTO JAPANESE
ほう!口ひげが私をだますと思ったね。
BACK INTO ENGLISH
Aha! You thought the mustache would be a thing that would derr on me.
INTO JAPANESE
ほう!あなたは口ひげが私に落ち着くものだと思った。
BACK INTO ENGLISH
Aha! You thought the mustache was something that settled on me.
INTO JAPANESE
ほう!口ひげは私に落ち着いたものだと思ったね。
BACK INTO ENGLISH
Aha! You thought the mustache was calm to me.
INTO JAPANESE
ほう!口ひげが私には落ち着いていると思ったね。
BACK INTO ENGLISH
Aha! You thought the mustache was calm to me.
That didn't even make that much sense in English.