他 / 在 / 最 / 困难 / 的 / 时候 / 受到 / 老师 / 帮助 / 工作后 / 便 / 设法 / 报恩

他在最困难的时候受到老师帮助，工作后便设法报恩。

His teacher helped him when he was going through the hardest time, so he tried to repay that kindness after he started working.