muddle up
중급 (B1) informal
To mix things up by accident so that they're in the wrong order or confused with each other.
"I always muddle up 'affect' and 'effect' — they seem identical to me."
To mix things up by accident so that they're in the wrong order or confused with each other.
"I always muddle up 'affect' and 'effect' — they seem identical to me."