一张一弛文武之道的英文：
[Literal Meaning]
one/tense/one/relaxation/Emperor Wen/Emperor Wu/aux./way
Labor and leisure should both be emphasized.

[解释]
文、武：指周文王和周武王。意思是宽严相结合，是文王武王治理国家的方法。现用来比喻生活和工作要合理安排。

[Explanation]
to alternate tension with relaxation

[例子]
一张一弛，文武之道。 你不能只知道学习和工作而不知道休息啊。

[Example]
Labor and leisure should both be emphasized. You shall know not only study and work but also relax and rest.