YOU SAID:
I am hello on marijuana.
INTO JAPANESE
私はマリファナにこんにちは。
BACK INTO ENGLISH
Hi I'm on marijuana.
INTO JAPANESE
こんにちは私はマリファナにいます。
BACK INTO ENGLISH
Hi I'm in marijuana.
INTO JAPANESE
こんにちは私はマリファナにいます。
BACK INTO ENGLISH
Hi I'm in marijuana.
Come on, you can do better than that.