A single mosquito can infect a large number of people.

一只蚊子就能传染很多人。

《柯林斯英汉双解大词典》

Is that a single or a double you want?

你要的是单人房间还是双人房间？

《牛津词典》

Her latest single is a ballad.

她的最新单曲唱片是一首情歌。

《牛津词典》

Three of the awards were for this hit song, "Single Ladies (Put A Ring On It)."

VOA: special.2010.02.05

She's in the running for Song Of The Year for "Single Ladies (Put A Ring On It),"

VOA: standard.2010.01.25

Noordin led a faction of the group Jemaah Islamiyah (JI), which seeks to establish a single Islamic state across much of Southeast Asia.

VOA: standard.2009.09.21

Producers are bewitched by the rock-bottom cost of deploying a single man (usually) with a mic, just as in the music industry singer-songwriters are said to be outdoing more expensive bands.

ECONOMIST: Stand-up comics: Serious business | The

And if I asked if you to name a single (unmarried) woman who is earning a good income, would your hand fly up just as fast?

FORBES: How to Sell to 'Breadwinner' Women

This surge has been accompanied by the collapse of the lifetime-employment systems in Japanese and South Korean firms, which used to ensure that a single (male) worker's income could support a middle-class family.

ECONOMIST: Asian demography: The flight from marriage | The