Idioms:
put a damper on sth.:to lessen or reduce someone's interests;to have a dulling or numbing influence on something；to stop an occasion from being enjoyable. 使…扫兴，抑制
Usage notes: A damper is a device used on piano strings to make the sound less loud. 阻尼器
Example:
1. The bad news really put a damper on everything.
2. The rainy weather put a damper on our picnic.
3. We were both ill while we were in Boston, which put a bit of a dampener on things.
Qiuz:
1. Which word have the same meaning as chill?
A. cool
B. hot
C. warm
2. What kind of food do the little squirrels store for winter?
A. gum
B. nuts
C. water
3. Which animal have to go hibernation?
A. bear
B. cucumber
C. sneak
