Hand in hand, we stand 是什么意思?

Hand in hand, we stand 是什么意思? “at hand,in hand,on hand,by hand”分别是什么意思? We will walk hand in hand forver. 求问in/hand,at/hand,on/hand各是什么意思? Must we hand in our exercise books today?中的HAND是什么意思 Hand In Hand 歌词 hand in hand mudside,hand in,hand hand in ,hand HAND IN HAND怎么样 We also can again hand in hand?中文意思 Hand in hand,we go together什么意思?