- 性命交关 xìngmìngjiāoguān a matter of life and death(idiom) of vital importance; at a critical moment where life is on the line
- 外交关系 wàijiāoguānxi diplomatic relationsofficial connections and interactions between sovereign countries; foreign relations
- 外交关系理事会 wàijiāoguānxìlǐshìhuì Council on Foreign RelationsCouncil on Foreign Relations; a United States non-profit think tank specializing in foreign policy and international affairs
- 建立正式外交关系 jiànlìzhèngshìwàijiāoguānxì to formally establish diplomatic relationsto formally establish diplomatic relations between countries
