【题目】王坤迫不及待地要告诉我们他的湄公河之旅的细节。（can hardly wait to do）

【答案】Wang kun can hardly/not wait to tell us the details of his journey down the Mekong.
【解析】句子提供词语can hardly wait to do 译为“迫不及待”，“细节”是detail，所以答案是Wang kun can hardly/not wait to tell us the details of his journey down the Mekong.