报名 enroll; enter one's name; sign up
(1) 报名参加百米赛跑 enter one's name for the 100-metre dash
(2) 报名参军 enter one's name for the army
(3) 她报名选修一门化学课。She signed up for a course in chemistry.
(4) 报名投考 sign up for an examination
(5) 报名参赛 register for a competition
(6) 你先替我报名。Sign up for me.
(7) 报名参加考试 be registered to take an examination
(8) 报名参加研讨会 register for a symposium
(9) 报名参军 register for military service
(10) 报名参赛 enter for a competition / contest 或 sign up for a race / match
(11) 报名上选修课 enrol in / on an optional / elective course