八 面 玲 瓏 bā miàn líng lóng : be smooth and slick (in establishing social relations)

邦 交 bāng jiāo : relations between two countries; diplomatic relations

比 價 bǐ jià : price relations; parity; rate of exchange

斷 交 duàn jiāo : break off diplomatic relations

而 ér : and; as well as; but (not); yet (not); (shows causal relation); (shows change of state); (shows contrast)

Big5: , Unicode: 800c (而),
Links: MT, Cantonese, Ld, Chinese Language

改 善 關 係 gǎi shàn guān xi : to improve relations

關 係 guān xi : relation; relationship; to concern; to affect; to have to do with; relations; guanxi

建 交 jiàn jiāo : to establish diplomatic relations

建 立 正 式 外 交 關 係 jiàn lì zhèng shì wài jiāo guān xì : formally establish diplomatic relations

冷 淡 關 係 lěng dàn guān xì : cold relations (e.g. between countries)

聯 繫 lián xì : connection; contact; relation; contact; (in) touch (with); to integrate; to link

倫 [伦] «倫» lún : human relationship

Big5: , Unicode: 502b (倫),
Links: MT, Cantonese, Ld, Chinese Language

親 [亲] qīn : dear; intimate; parent; relation; closely related

Big5: , Unicode: 89aa (親),
Links: MT, Cantonese, Ld, Chinese Language

外 交 關 係 wài jiāo guān xì : foreign relations; diplomatic relations

係 [系] xì : be; connection; relation; tie up; bind

Big5: , Unicode: 4fc2 (係),
Links: MT, Cantonese, Ld, Chinese Language

性 關 係 xìng guān xi : sexual relations

友 好 yǒu hǎo : friendly (relations)

正 常 化 zhèng cháng huà : normalization (of diplomatic relations, etc)

政 治 關 係 zhèng zhì guān xì : political relations