Definition
(in sports) to enter into a contractual agreement to play for a specific team
（體育）簽約加入（某隊伍）
The player officially signed with our team today.
這位球員今天正式與我們的球隊簽約。
After discussing the contract details, she decided to sign for the team.
在討論完合約細節後，她決定簽約加入這支球隊。
The young athlete hopes to sign with a professional team next year.
這位年輕運動員希望明年能與一支職業球隊簽約。