/sɒŋ; [US] sɔ:ŋ; sɔŋ/
n
1 [C] (usu short) poem set to music and intended to be sung 歌; 歌曲; 歌词
*a popular song 流行歌曲
* a collection of folk-songs 民歌集
* a beautiful love-song 优美的情歌.
2 [U] music for the voice; (activity of) singing 声乐; 歌唱
*burst into song, ie suddenly begin singing 突然唱起歌来.
3 [U] musical call or sound(s) made by a bird 鸟鸣
*the song of the thrush 鸫鸟的鸣唱
* the song of the birds 鸟的鸣声
* birdsong 鸟鸣.
4 (idm 习语) for a `song (infml 口) at a very low price; cheaply 以很低的价钱; 便宜地
*This table was going for a song at the market. 这张桌子正在市场上廉价出售. (make) a song and `dance (about sth) (infml derog 口, 贬) (make) a great fuss (about sth), usu unnecessarily （对某事物）小题大作
*You may be a bit upset, but it's really nothing to make a song and dance about. 你尽管有些苦恼, 但实在不必小题大作. sing a different song/tune => sing. wine, women and song => wine.

n

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1【music with words】
2【birds】
3 for a song
4 a song and dance (about something)

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[Language: Old English;Origin: sang]
【MUSIC WITH WORDS】
a)[C]
a short piece of music with words that you sing
pop/folk/love etc song
　pop songs on the radio
　They sat round with guitars, singing folk songs .
b)[U]
songs in general
　The bravery of past warriors was celebrated in song.
burst/break into song
(=suddenly start singing)
　Some of his more drunken friends burst into song.
【BIRDS】 [U and C]
the musical sounds made by birds and some other animals such as whales
　the song of the lark
for a song
very cheaply
　He bought the house for a song five years ago.
a song and dance (about sth)informal
a)BrE if you make a song and dance about something, you behave as if it was worse, more important, more difficult etc than it really is
　Suzy was there, making a song and dance about her aching feet.
b)AmE an explanation or excuse that is too long and complicated
　She gave us a long song and dance about why she was late.
→swansong