套近乎 To pull nearness. To act close with someone one does not know well. The Handian dictionary notes that the word is usually critical.
套交情 To pull friendship. To draw someone into a relationship in order to grow closer.
门路 A doorway. Also the connections through which a person reaches a goal. In Dream of the Red Chamber, a dismissed official hears that old officials may be reappointed and goes everywhere “looking for relatives and doorways” (寻亲找门路).
熟主熟客 Familiar hosts and familiar guests. In a Ming story by Ling Mengchu, the merchants who have sailed overseas before “are all familiar hosts and familiar guests.” Only Wen Ruoxu knows no one.