join up
phrasal verbjoin up
- to become a member of the armed forces
synonym enlist入伍;参军 - Her grandfather joined up in 1914.
她的祖父于1914年参军。
- Her grandfather joined up in 1914.
join up (with somebody)
- to combine with somebody else to do something
(与某人)联合,会合 - We'll join up with the other groups later.
我们以后再与其他小组会合。
- We'll join up with the other groups later.