backscratching
N การ ให้ ความช่วยเหลือ กลับ (มัก ไป ใน ทาง ผิดกฎหมาย kan-hai-khwam-chuai-luea-klab
back scratch ing |ˈbakˌskraCHiNG ˈbækskrætʃɪŋ | ▶noun the mutual providing of favors or services, esp. when the legitimacy of such dealings is doubtful: the friendship thrives on little more than mutual backscratching.
backscratching |ˈbakskratʃɪŋ | ▶noun [ mass noun ] the reciprocal provision of help or support, typically in an underhand or illicit manner.