n.

1. 曲調；歌曲；旋律[C]
   Tony wrote the words of the song and Kris wrote the tune.

   湯尼寫歌詞，克麗絲譜曲。

2. （樂器，歌聲）準確的音調[U]
   The piano is out of tune.

   這鋼琴走調了。

3. 和音，和諧[U]
   She has never learnt to sing in tune.

   她從未學會和著調子唱歌。

4. 協調，一致[U]
   A person out of tune with his surroundings is unhappy.

   一個與環境格格不入的人是不會快樂的。

5. （無線電等的）調諧，調音[U]
6. 腔調，語氣
   She has changed her tune about children since she got married and had her own.

   自從結婚生子之後她已經改變了對孩子的論調。

7. 正常的狀態（或心情）[U]
   Are you in tune for study today?

   你今天有心思學習嗎？

vt.

1. 為……調音；調準……的音調[（+up）]
   He tuned his violin before he started playing.

   演奏前他先將小提琴調音。

2. 調整……的頻率（或頻道）[（+to）]
   Please tune the television set to Channel 5.

   請將電視機調到第五頻道。

3. 使協調，使一致
   The colors are perfectly tuned to each other.

   這些顏色很協調。

4. 與……建立無線電聯繫
5. 調整（引擎等）
   The machine has just been tuned.

   機器剛剛調整過。

vi.

1. 發出音樂聲，發聲
   It's said that child could tune before it could speak.

   據說孩子在會講話之前就會哼出調子了。

2. 協調，達到一致
3. 調諧[（+in/to）]
   We always tune in to FM 100 to hear the 10 o'clock news.

   我們總是調到FM100聽十點鐘的新聞節目。

4. 調音，定弦[（+up）]
   The orchestra is tuning up ready to begin.

   管弦樂隊正在調音，準備馬上演奏。

n.

v.

1. (also tune up) adjust (a musical instrument) to the correct or uniform pitch.
2. adjust (a receiver circuit such as a radio or television) to the frequency of the required signal.
   ▸ (tune in) watch or listen to a television or radio broadcast.
3. adjust (an engine) or balance (mechanical parts) so that they run smoothly and efficiently.
   ▸ (tune something up) bring something to the most efficient condition.
4. adapt to a particular purpose or situation.
   ▸ (tune into) become sensitive to.
   ▸ (tune out) informal stop paying attention.