危機在五月份到了最嚴重的關頭。

　　The crisis was at its height in May.

　　我們于五月份啟動了這項工程。

　　We began work on the project in May.

　　他們于五月份慶祝了銀婚紀念日。

　　They celebrated their silver wedding in May.

　　五月份特別活動周的準備工作已經開始。

　　Preparations have got under way for a week of special events in May.

　　五月份特別活動周的準備工作已經順利開展。

　　Preparations are well under way for a week of special events in May.

　　這個節日按照傳統是在五月份過的。

　　The festival is traditionally held in May.

　　五月份有31天。

　　There are 31 days in May.

　　這樁丑聞是在五月份曝光的。

　　The scandal broke in May.