同意曹老师解答

feel weary of being knocked backwards and sidewards.

厌倦了来回折腾.

on the go=活跃，忙个不停

backwards and forewards来来回回；往复

Draw the floss backwards and forwards between the teeth. 

将牙线在齿间来回拉动。

people travelling backwards and forwards to and from London. 

往返于伦敦的人

backwards  adv.向后；朝后

The diver flipped over backwards into the water.

潜水员向后翻身入水。

He took two steps backward.

他后退了两步。

Bess glanced backwards.

贝丝往后瞥了一眼。

Keeping your back straight, swing one leg backwards. 

挺直腰背，一条腿向后摆动。

backwards  adv.倒转地；逆向地；相反地

He works backwards, building a house from the top downwards. 

他把工序倒过来了，从上往下建房子。

backwards  adv.倒退地；后退地；退步地

Greater government intervention in businesses would represent a step backwards. 政府加强对企业的干涉将是一种倒退。

the blaming that keeps us looking backward. 

迫使我们时时后顾的责难

know something backwards熟知，对…了如指掌（美国英语中作know something backward and forward） 

I asked about one or two things that interest me and she really did know it all backwards. 

我问了一两样我感兴趣的东西，她的确都了如指掌。