1、Despite their expostulations, the decision was made without their consent.
尽管他们反驳，但决定已经在他们的同意之前做出了。

2、He issued a formal expostulation against the government's actions.
他对政府的行动提出了正式的抗议。

3、Her expostulation fell on deaf ears as they continued with their reckless behavior.
她的劝诫没有引起注意，他们继续进行不负责任的行为。