David Chan is an American violinist, and a concertmaster of the Metropolitan Opera Orchestra... (wikipedia)
For safety, the helmet is the most important equipment to protect your noggin.
I enjoy the freedom of the outdoors, (escaping) traffic, while hanging with my friends.
We agreed to show them the plans. We just wanted to see what they are looking for. Mr. Liu said if we could do something for them and it's not costing us, why not do it?
I've hit a tree and flew off my bike; tumbled down a hill and landed on rock.