a.

1. 單一的，單個的；個別的[B]
2. （用於否定句）連一個也（沒有）的[B]
   There was not a single person in the house.

   屋子裡一個人都沒有。

3. 孤單的；單身的；【植】單瓣的
   single parent family

   單親家庭

   single parent

   單親

   She remained single till the end of her days.

   她終身未嫁。

4. 單人用的；【英】單程的[B]
   I want a single ticket.

   我要一張單程票。

5. 一個對一個的，單打的
6. 獨特的，唯一的
   The child was the single survivor of the air-crash.

   這孩子是那次飛機墜毀事故的唯一倖存者。

7. 專一的

n.[C]

1. 單個；單身者（男子，女子）
   singles bar

   單身男女約會的酒吧

2. 單打比賽[P]
   He has won four singles.

   他贏了四場單打賽。

3. 【棒】一壘安打
4. 【口】獨唱（或奏）者，獨腳戲演員
5. 【英】單程票；單人房
   Would you reserve a single for me?

   請給我預訂一間單人房好嗎？

6. 【美】一元紙幣；【英】一英鎊紙幣

vt.

1. 選出，挑出[O]
   The boss singled me out for blame.

   老板把我挑出來加以指責。

2. 【棒】以一壘安打得（分）

vi.

1. 【棒】擊出一壘安打

adj.

1. only one; not one of several.
   ▸regarded as distinct from others in a group.
   ▸ [with neg.] even one (used for emphasis):

   they didn't receive a single reply.
   ▸designed or suitable for one person.
2. not involved in a stable romantic or sexual relationship.
3. consisting of one part.
   ▸(of a flower) having only one whorl of petals.
4. Brit. (of a ticket) valid for an outward journey only.
5. archaic free from duplicity or deceit:
   a pure and single heart.

n.

1. a single person or thing.
2. a short record with one song on each side.
3. US informal a one-dollar note.
4. Cricket  a hit for one run.
   ▸Baseball  a hit which allows the batter to proceed safely to first base.
5. (singles) (especially in tennis and badminton) a game or competition for individual players.
6. Bell-ringing  a system of change-ringing in which one pair of bells changes places at each round.

v.

1. (single someone/thing out) choose someone or something from a group for special treatment.
2. thin out (seedlings or saplings).
3. reduce (a railway track) to a single line.
4. Baseball  hit a single.
   ▸cause (a run) to be scored by hitting a single.
   ▸advance (a runner) by hitting a single.

[名]

1. ①一個；單。
   싱글방.

   單間。

2. ②（乒乓等）單打。
   싱글 경기.

   單打比賽。