can't be bothered to do something

Từ điển Oxford Advanced Learner 8th

can't be bothered (to do sth) idiom
used to say that you do not want to spend time and/or energy doing sth
• I should really do some work this weekend but I can't be bothered.
• All this has happened because you couldn't be bothered to give me the message.
Main entry: ↑bother_idiom