a light punishment的用法和样例：
- Summoned to Rome to explain his heliocentric heresy, he eventually agreed to plead guilty to 'suspicion of heresy' in exchange for a lighter punishment.
- She runs up the stairs with a light graceful step.
- I had kept my matches dry and soon struck a light.
- Jerry left the examination room with a light heart.
- She started for her holiday with a light heart.
- We can set to work with a light heart.