sign up片语动词

报名、注册、登记

I signed up for an online course in data analysis.

我报名了一门数据分析的线上课程。

签约加入、应征入伍

He signed up with the navy right after finishing high school.

他高中一毕业就签约加入海军。

签下、招募、吸收可拆开

The club signed up three new players before the season began.

赛季开始前，俱乐部签下了三名新球员。

注册、报名

Please fill in the sign-up sheet at the front desk.

请在前台填写报名表。