我当时就是俱实以告。

＂there was a mass layoff in my company; a number of projects and teams were cut. Unfortunately I was affected."
没觉得因此受到冷遇，有时候面试官还明确表示理解。我个人觉得这理由比＂寻求更大挑战＂之类的更让我觉得踏实。