请英语高手帮我翻译一下这段话，不要翻译器的谢谢

I have made many mistakes before, however, this time was the most serious and unforgivable one.[我犯过很多错误，但是这个错误是最严重的]. I have never ever been to a situation like now, so I have got no clu that how an apology does not seem to be hypocritical.[我从来没有到过这个处境，所