Dont worry. 别担心
Don't worry.
别担心。
A:I think you are going to be late for school!
B:Don't worry. I still have a lot of time.
A:我看你上学快要迟到了!
B:别担心,我还有很多时间。
A:I think it's going to rain.
B:Don't worry. I brought an umbrella.
A:我觉得快要下雨了。
B:别担心,我带了雨伞。