trying:annoying or difficult to deal with 令人厌烦的;难对付的
She can be very trying at times.
她有时很难缠.
These are trying times for all of us.
对我们所有人来说,这是最难熬的时期.
shift:a period of time worked by a group of workers who start work as another group finishes 班;轮班;轮班工作时间
to be on the day/night shift at the factory
在工厂上日班╱夜班
to work an eight-hour shift
按每班八小时轮班工作
working in shifts
轮班工作
shift workers/work
轮班工作的工人;轮班作业