When the word “shift”is used as a verb, it means to move or to change. It’s also a word popularly used when changing from one gear to another on a car or on a bike.
“shift”用作动词时,意为“移动”或“改变”。也常被用来表达“给车换挡”(shift gears)的意思。

We shifted some money from one bank account to another.

David always shifts his car into a lower gear when he climbs this steep road.

I shift gears a lot while riding my bike.

We need to shift some weight in the truck so that it’s more evenly distributed.

When used as a noun, “shift” means change or move, but it’s also used for an amount of time at work. Some companies and organizations operate 24 hours a day, which is divided into three equal shifts: the day shift, the afternoon shift, and the night shift.

Jan works the second shift from 3 p.m. to 11 p.m.

Sometimes her husband works the overnight shift from 11 p.m. to 7 a.m.

Most workers prefer the day shift from 7 a.m. to 3 p.m.