mix up

名词 mix up:

1. a mistake that results from taking one thing to be another
   同义词：confusion, mix-up

动词 mix up:

1. assemble without order or sense
   同义词：jumble, confuse
2. cause to be perplexed or confounded
   同义词：stump

1. Don't mix up this pair of synonyms.
   别把这两个同义词混淆了。
2. Please don't mix up my papers.
   请不要把我的公文弄混淆了。
3. Never mix up these two words.
   千万别把这两个词相混淆。