人们经常混淆这对姐妹，因为她们看起来太相似了。

People often ___mix ___up the sisters because they look so similar.

我必须小心不要把电缆弄混了。

I had to be careful not to get the cables ___mixed ___up.

很容易混淆这对双胞胎，因为他们穿得一样。

It's easy to ___mix ___up the twins because they dress alike.