Discovering the Answers to Upbeat Everyday English in the First Volume

“开心每一天”的英文是：Happy every day。

“开心”的英文是：happy

“每一天”的英文是：every day。

所以“开心每一天”是“Happy every day”。

短语：

开心过好每一天：Happy good every day

快乐健身每一天：Happy fitness every day

快乐的过每一天：Happy over every day。