muddle along/on

1. 混日子; 杂乱无章地干下去

He's still muddling along.

他仍然是在糊里糊涂地混日子。

muddle through

1. 胡乱应付过去; 混过(困难时期等)

There were problems, but we muddled through somehow.

困难是有的, 但我们好歹混过来了。

muddle up

1. 混淆

Later they may muddle up your names with those of your cousins.

以后他们可能会把你的名字跟你堂兄弟们的名字相混淆。

make a muddle of

1. 把……弄得一团糟

You have made a muddle of it.

你把事情给弄得一团糟。