muck (something) up

to make a situation more confusing or difficult.

Our leaders have demonstrated their great talent for mucking things up.

Don't muck up our lives just because he was misbehaving.

Related vocabulary: muddy the waters

• turn on heel
• turn on its ear
• turn on its head
• turn on someone
• turn on something
• turn on the waterworks
• turn on your heel
• turn out
• turn out for
• turn out for something
• turn out of
• turn out of somewhere
• turn out something
• turn over
• turn over a new leaf
• turn queen's evidence
• turn someone against
• turn someone against someone
• turn someone against something
• turn someone away
• turn someone loose
• turn someone off
• turn someone on
• turn someone out
• turn someone out of