[走后门 / 走後門, zǒu hòu ménㄗㄡˇ ㄏㄡˋ ㄇㄣˊ] lit. to enter by the back door; fig. to gain influence by pull or unofficial channels; back door or under the counter connections#44371
[くわわる, kuwawaru] (v5r, vi) (1) to be added to; to be appended; (2) to join in (e.g. a group of friends); to participate; (3) to increase (e.g. heat); to gain in (e.g. influence); to grow; to gather (speed); (4) to be subject to (e.g. pressure); (P)#9493
Gewinn { m }; Zunahme { f }; Zugewinn { m }; Verstärkung { f } | Zunahme des Einflusses; Zugewinn an Einfluss | Gewinn an Erfahrung; Zugewinn an Erfahrung