most difficult period
definitions
-
A duration of time characterized by extreme hardship, struggle, or intense challenges.zh: 最艰难时期
-
The most demanding or complex stage within a specific process, sequence, or lifecycle.zh: 最具挑战性的阶段
examples
-
The economic recession was the most difficult period for the small business.
经济衰退对这家小企业来说是最艰难的时期。
-
The final exam week is often the most difficult period of the semester.
期末考试周通常是学期中最具挑战性的阶段。