with one’s back up

来自猫生气时将背弓起的形象  detail>>

back at one

回到原点 梦想成真 强烈推 依然守候你身旁 张的专辑 重新来过 注视你  detail>>

back one

向后一位  detail>>

be on one’s back

卧病，一筹莫展 卧病不起  detail>>

back up

（使）积压，（使）拥塞 策应者，后援 磁带备份，支持，预备 磁带备份，支援，预备 倒后退 倒退,支持 倒退，后退；支持，鼓励 堆积...  detail>>

to back up

支持  detail>>

up and back

前后站位 双打中一前一后的站法  detail>>

back-fill，back-up

填充  detail>>

back-up，back-fill

填充  detail>>

glued up back to back,

背靠背黏着  detail>>

one up

抢先一步的  detail>>

one up on

略胜...一筹, 比...占优势  detail>>

one-up

 adj.  〔口语〕胜人一筹的〔常用于短语 be one on ... 胜某人一筹〕。  vt.  (-upped, -uppi...  detail>>

back sand，back-up-sand

背砂  detail>>

support; back up; bolster up

撑腰  detail>>

back to square one

回到出发点 问题回到原态  detail>>

back two square one

扑水冤家  detail>>

be back to square one

退回起点, 从头再来  detail>>