He made a half-hearted attempt to finish his homework.
half-baked idea
Frequency:
60
%
The proposal was rejected as it was just a half-baked idea.
half-empty glass
Frequency:
45
%
She always saw the half-empty glass instead of being optimistic.
half-witted remark
Frequency:
35
%
His half-witted remark offended many people at the meeting.
Idiomatic Expressions for listen with half an ear
Phrase: listen with half an ear
Meaning: to pay only partial attention to something being said or done
Usage: She was only listening with half an ear during the meeting, so she missed important details.