phr. Don't worry, everything will be OK.
phr. Don't worry. It's hard to avoid mistakes.
phr. Just start to do it and don't worry about the money.
phr. It's only a slight wound, don't worry.
phr. North Korea launched a missile and the US was very worried about it.
phr. I was very worried about the recent fluctuating exchange rate.
phr. He works outside alone. His family is worried about him.
phr. Everything has been settled, don't worry about that.
phr. Don't worry, I have another idea.
phr. Mother worries about me every day and hopes for me to come home as soon as possible.
phr. He's always worried that he will do something wrong.
phr. (My) grandpa is admitted into a hospital. I am very worried.
phr. There is nothing to worry about.
phr. Do not worry. Everybody will have a chance to speak up.