1、arm in arm 英[ɑ:m in ɑ:m] 美[ɑrm ?n ɑrm]
[詞典] 挽臂,攜手;
[例句]He walked from the court arm in arm with his wife.
他和妻子挽著胳膊走出法庭。
2、hand in hand 英[h?nd in h?nd] 美[h?nd ?n h?nd]
[詞典] 攜手; 手拉手,密切合作;
[例句]For us, research and teaching go hand in hand
對我們而言,研究和教學是齊頭並進的。