拉關係 [－关系]

Jyutping laai1 gwaan1 hai6
Pinyin lā guān xì

Definitions (CC-CEDICT)

to seek contact with sb for one's own benefit
to suck up to sb

Definitions (粵典–words.hk)

動詞
借啲意結識、攀附某人，關係由陌生人更進一步；含貶義
(usu. derog.) to cotton up to; to try to establish friendship with sby

Definitions (Wiktionary)

verb, derogatory, idiomatic, often
to establish and use underhand connections (to achieve something); to cosy up to

Definitions (Kaifangcidian)

（沒有對應漢語詞彙）