副詞 happily:

1. in a joyous manner
   同義詞：merrily, mirthfully, gayly, blithely, jubilantly, with happiness
2. in an unexpectedly lucky way

1. Look on the bright side of things, and you will live happily.
   如果看事情的光明面，你就可以活得很快樂(lè)。
2. John lives happily because he uses his time well to study.
   約翰生活得快樂(lè)因?yàn)樗朴盟臅r(shí)間學(xué)習(xí)。
3. The baby is prattling away happily in her cot.
   那幼兒在小床上呀呀自語(yǔ)，快活得很。
4. How did you do your work? I did my work happily.
   你怎樣做你的工作？ 我很快樂(lè)地做了我的工作。
5. Happily, the accident was prevented.
   很幸運(yùn)，事故得以避免了。