通牒

tōngdié

通牒 — tōngdié

1. diplomatic note; a formal communication (often a protest or demand) sent by one government to another

   政府向对方发出通牒，要求立即撤军。 zhèngfǔ xiàng duìfāng fāchū tōngdié yāoqiú lìjí chèjūn — The government issued a diplomatic note to the other side, demanding an immediate withdrawal of troops.