YOU SAID:

wanna have a bad time then let's go

INTO JAPANESE

悪い時を過ごしたいのに、行きましょう

BACK INTO ENGLISH

I want to have a bad time, but let's go.

INTO JAPANESE

私は悪い時間を過ごしたいが、行きましょう。

BACK INTO ENGLISH

I want to have a bad time, but let's go.