a touch of pain的用法和样例：
- The doctor says it's just a touch of liver.
- It may not find a place in thy garland, but honour it with a touch of pain from thy hand and pluck it.
- It may not find a place in thy garland, but honor it with a touch of pain from your hand and pluck it.
- He has a touch of madness in his composition.
- The piano gives the room a touch of style.