backscratching

美 ['bæk.skrætʃɪŋ]

英 ['bæk.skrætʃɪŋ]

权威英汉双解

backscratching

1.	互开方便之门，互相利用（常指从事非法活动）the fact of giving sb help in return for help that they have given you, often in connection with sth that might be illegal

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