work on

US /wɜːrk ɑːn/
UK /wɜːrk ɑːn/
"work on" picture
1.

致力於, 改進

to try to improve or develop something

:
I need to work on my presentation skills.
我需要提高我的演講技巧。
They are working on a new software update.
他們正在開發一個新的軟體更新。
2.

說服, 影響

to try to influence or persuade someone

:
I've been working on him to change his mind.
我一直在說服他改變主意。
She's been working on her parents to let her go to the party.
她一直在說服父母讓她去參加派對。