I'm afraid the unexpected accident may botch up the dinner tonight.

恐怕这意想不到事故会今天晚宴搞糟。

If you bungle a job, you must do it again!

要一件事搞糟了,得重做！

If that tear is supposed to be mended, you've made a right pig's ear of it.

如果认为那个裂口可以好话, 那就事搞糟了。

You'd goof things up good.

会事情完全搞糟。

John bungled the job.

事情搞糟了。