Definition
to ruin something entirely or perform a task very poorly
弄乱；搞砸
He mucked up the entire project and ended up being criticized by the team.
他把整个项目搞砸了，最后被团队批评。
If you don’t pay attention, you might muck up this report.
如果你不注意，你可能会搞砸这份报告。
She mucked up the entire presentation by misquoting the data.
她因为引用错误的数据而搞砸了整个简报。