tune

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。