Lt 's not crummy ! Don 't badmouth it !

不是破烂的！不要说它坏话！

Don 't badmouth my friend in front of me .

不要在我面前诽谤我的朋友。

Don 't badmouth your employer or any of your co-workers to your replacement .

不要向代替你事变的人说上司或同事的浮名。

I don 't wanna badmouth lvan .

我不想说伊凡坏话。

Because I didn 't see a need to badmouth the dead .

因为我认为没有必要讲死人的坏话。