4.to join battle参战；开始交战
The two fleets joined battle.两支舰队开始交战。
5.to join duty<印度>销假报到；复工
Hundreds of Indian jawans were on their way to join duty in the state.成百上千的印度士兵在回邦销假报到的路上。
6.to join hands
(hold own hands)person +合掌；双手合十
Murphy dropped his hoe and joined hands in prayer.墨菲扔下锄头, 双手合十祈祷。
(hold each other's hands)two people +牵手；拉手
She and I joined hands.她和我拉起了手。
(work together)携手合作；齐心协力
We should join hands to fight the real enemy!我们应该联手与真正的敌人战斗！
Naomi joined hands with other writers in an organization called the Authors' World Peace Appeal.内奥米与其他作家在一个名为“作家世界和平感召会”的组织里携手合作。