have sb. at one's back：有某人在背后支持, 有某人撐腰; 被某人追捕

get one's own back on sb. [口](向某人)報復, 復仇 | have sb. at one's back 有某人在背后支持, 有某人撐腰; 被某人追捕 | in the back of [美口] 在...背后; 支持, 主使

have sb. at one's back：有...支持, 有...作后臺

65. at one's back 支持,維護; | have sb. at one's back 有...支持, 有...作后臺 | 66. turn one's back on sb.不理睬,背棄,拋棄

have sb. at one's back：有某人在背后支持, 有某人撐腰

ride on sb.'s back騎在某人頭上, 壓迫某人, | have sb. at one's back有某人在背后支持, 有某人撐腰; | have one's back to the wall負隅頑抗

have sb. at one's back：以某人做靠山

26 behind one's back 背著某人;暗地里 | 27 have sb. at one's back 以某人做靠山 | 28 turn one's back on sb. 掉頭不理睬;拒絕幫助別人

at the back of：在...的后面

come back 回來 | at the back of 在...的后面 | on the way (back)home 在回家路上

back away：逐漸后退

back and forth (前后)來回地,往返 | back away 逐漸后退 | back down off 放棄,讓步,退卻

back away：退回,撤出

Back 背部,襯墊,靠板 | Back away 退回,撤出 | Back cover 后蓋

Step away! Get back：走開!回去

Get back! Get back!|回去!回去 | Step away! Get back!|走開!回去 | Crank this down there, men!|拉下曲柄

to back away：后退

不理,看不起,背棄 --- to turn one's back on | 后退 --- to back away | back and belly --- 渾身上下

back azimuth：反方位角

back angle 后背角;后視角 | back azimuth 反方位角 | back band 滾筒剎車帶