the better part of
US /ðə ˈbetər pɑːrt əv/
UK /ðə ˈbetər pɑːrt əv/

1.
大半, 大部分
most of something; more than half of something
:
•
He spent the better part of his life working on that project.
他把大半生都花在了那個項目上。
•
We waited for the better part of an hour for the bus to arrive.
我們等了將近一個小時公車才來。