useful
🇺🇸
/ˈjuːsfl/
🇬🇧
/ˈjuːsfl/
able to help you do something
This tool is very useful for fixing things.
這個工具對於修理東西非常有用。
good at doing something
He is a useful player who helps the team win.
他是一名有用的球員,幫助球隊獲勝。