out of joint
脱臼, 脱节;

a joint action
联合行动;【律】共同诉讼
joint authors
合著者
a joint declaration [statement]
联合声明
joint enterprise
合资企业
joint session
联席会议(常指上下两议院)
joint stock
合股
joint military maneuvers.
联合军事演习
a joint tenant.
房屋合租人