Be polite; write diplomatically; even in a declaration of war one observes the rules of politeness.

要有礼；要按外交辞令写；即使在宣战文告里，依然是要遵循礼节的。

youdao

So, too, Friedman and Rothkopf write that by supporting Israel, Romney is harming Israel, because it is Israel's vital interest to be diplomatically coerced into surrendering to its Palestinian enemies.

CENTERFORSECURITYPOLICY: Israel -- Obama's wedge issue