merry
adjective /ˈmeri/
  /ˈmeri/
 (comparative merrier, superlative merriest)
Idioms - happy and cheerful愉快的;高兴的 - a merry grin愉快的笑 
 Topics Feelingsc1- A merry crowd of villagers watched the proceedings.一群快乐的村民观看了比赛。 
- HIs face was round and his eyes were merry.他的脸是圆的,眼睛是快乐的。 
 
- a merry grin
- Merry Christmasused at Christmas to say that you hope that somebody has a pleasant holiday(圣诞节祝贺语)圣诞快乐 
- (especially British English, informal) slightly drunk微醺 - I was merry after only a glass of champagne.只喝了一杯香槟,我就开心了。 
- We had a few drinks and all got quite merry.我们喝了几杯,都很开心。 
 
- I was merry after only a glass of champagne.
词源Old English myrige ‘pleasing, delightful’, of Germanic origin; related to mirth.
Idioms 
eat, drink and be merry 
- (saying) said to encourage somebody to enjoy life now, while they can, and not to think of the future行乐要及时 
lead somebody a (merry) dance 
- (British English, informal) to cause somebody a lot of trouble or worry给某人造成许多麻烦(或忧虑) 
make merry 
- (old-fashioned) to enjoy yourself by singing, laughing, drinking, etc.行乐;宴乐 
the more the merrier 
- (saying) the more people or things there are, the better the situation will be or the more fun people will have人越多越好玩;(东西)多多益善,越多越好 - ‘Can I bring a friend to your party?’ ‘Sure—the more the merrier!’“我能带个朋友来你的聚会吗?” “当然,人越多越好玩嘛!” 
 
- ‘Can I bring a friend to your party?’ ‘Sure—the more the merrier!’
play (merry) hell with something/somebody 
- (British English, informal) to affect something/somebody badly对…造成严重影响;严重损害… - Driving on these rough roads has played hell with my tyres.在这些崎岖不平的道路上开车让我的轮胎受不了。 
 
- Driving on these rough roads has played hell with my tyres.