a relaxation in the rules的用法和样例：
- They like to swim, surf and relax in the sun.
- After this i relax in the livingroom (picture 4).
- Defeat in the by-election is a major set-back to the ruling party.
- The membership disagrees/disagree on the propose change in the rules.
- The teacher cracked down on the students when he found they had not been obeying the rules in the examination.