1.Mr. Sokol is a tireless worker, coming into the office at 6 o'clock in the morning and rarely vacationing.
索科尔从不知疲倦，早上六点进入办公室，极少休假。
2.Yao is a tireless worker and a great teammate.
姚明工作起来不知疲倦，同时也是一名伟大的队友。
3.We needed a break. He's a tireless worker.
我们需要休息，而他不知疲倦。
4.He is a tireless worker.
他是个工作起来孜孜不倦的人。