ambassador、ambassadress、ambiguous 造句

It was in this field that Leighton Stuart made a name for himself; that was how he became U.S. ambassador to China.
司徒雷登就是从事这些事业出了名，因而做了驻华大使的。

The president sent a letter to the ambassadress, requesting her to call at her earliest convenience.
总统致函女大使，请她在方便的时候尽快到访。

One is ambiguous because life is ambiguous;
一个模棱两可是因为生活模棱两可；