YOU SAID:

when the impostor is :) hi

INTO JAPANESE

詐欺師がいるとき:)こんにちは

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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.