Even in white-collar jobs, physical strength and athleticism are prized and endurance is proven by working late into the night.

即使是白领，身体力量和运动能力也会被重视，而耐力就通过熬夜加班被证明。

Here he worked late into the night.

他在这里工作到深夜。

Other times, when he worked late into the night at the firm, he and his son would hide under his desk to sleep in the office.

其他时候，当他在公司工作到深夜时，他和儿子会躲在办公桌下睡在办公室里。

Mkopa Solar has really boosted my business because in the past when darkness set in I would close for the day, but now I'm able to work late into the night and close whenever I want to.

Mkopa太阳能电力公司确实使我的生意变好, 因为过去天黑后我就得关门, 但现在只要我想就能工作到深夜。