【错误表达】
He is eager to his parents to meet his girlfriend.
【讲解辨析】
释义：他盼望他的父母去见他的女友。
辨析：用eager表示“盼望，想得到”这个意思解时，其结构为eager for，这是这个形容词短语的固定搭配。这个句子错误所在就是介词用错了。
【正确表达】
He is eager for his parents to meet his girlfriend.
【举一反三】
He was eager for an opportunity to promote in his company.
他渴望在公司有竞争的机会。