mix up

to confuse.

• Don't mix me up.
• I am all mixed up.
• I think I've mixed them up.
• The teacher mixed up our names.
• Don't mix up comets and asteroids.
• I'm sorry. I got you two mixed up.
• She mixed him up with someone else.
• Don't mix up effectiveness and efficiency.
• I was mixed up by the confusing explanation.
• She sometimes mixes up fancies with realities.
• He mixes up words, so his letter is full of blunders.
• Students of English often mix up the words 'lie' and 'lay'.
• The question was so complicated that they were all mixed up.