YOU SAID:
when the impostor is :) hi
INTO JAPANESE
詐欺師がいるとき:)こんにちは
BACK INTO ENGLISH
When there are scammers :) Hello
INTO JAPANESE
詐欺師がいるとき:) こんにちは。
BACK INTO ENGLISH
When there are scammers :) Hello.
INTO JAPANESE
詐欺師がいる場合:) こんにちは。
BACK INTO ENGLISH
In case there are scammers :) Hello.
INTO JAPANESE
詐欺師がいる場合に備えて:) こんにちは。
BACK INTO ENGLISH
In case there are scammers :) Hello.
That didn't even make that much sense in English.