名詞 piano:

1. a stringed instrument that is played by depressing keys that cause hammers to strike tuned strings and produce sounds
   同義詞：pianoforte, forte-piano
2. (music) low loudness
   同義詞：pianissimo

形容詞 piano:

1. used chiefly as a direction or description in music
   同義詞：soft

副詞 piano:

1. used as a direction in music; to be played relatively softly
   同義詞：softly

1. He is a wizard at playing the piano.
   他是個鋼琴奇才。
2. Painting the room involved moving out the piano.
   粉刷房間就要把鋼琴搬出去。
3. He was thumping the keys of the piano.
   他重重地敲擊鋼琴琴鍵。
4. She's practising (a new piece) on the piano.
   她在練習彈奏(一支新曲子).
5. The coin rolled underneath the piano.
   硬幣滾到鋼琴的下面了。
6. He stopped playing the piano at once.
   他立刻停止了彈鋼琴。
7. The singer was accompanied by her sister at the piano.
   這位歌唱家由她妹妹擔任鋼琴伴奏。
8. She is learning to play the piano.
   她在學彈鋼琴。

piano

n.（名詞）
【復數(shù)】 pi.an.os 【音樂】
An instrument with a manual keyboard actuating hammers that strike wire strings, producing sounds that may be softened or sustained by means of pedals.Also called pianoforte
鋼琴：一種樂器，用手操作鍵盤驅(qū)動打擊鋼絲線產(chǎn)生聲音，可以通過踏瓣的方式調(diào)輕聲音或使之持續(xù)不斷也作 pianoforte

來源：
Italian
意大利語
short for pianoforte * see pianoforte
pianoforte的簡寫 *參見 pianoforte

piano
piano 2

adv.（副詞）
adj.Abbr. p,p.（形容詞）縮寫 p,p.
In a soft or quiet tone. Used chiefly as a direction.
輕輕地（的），微弱地（的）：用輕柔或安靜的音調(diào)。主要用作演奏演唱指示
n.（名詞）
【復數(shù)】 pi.a.nos
A passage to be played softly or quietly.
輕聲演奏的樂段：要輕輕或靜靜地演奏的段落

來源：
Italian
意大利語
from Late Latin pl3nus [smooth, graceful]
源自 后期拉丁語 pl3nus [平穩(wěn)的，優(yōu)雅的]
from Latin [flat] * see pel…- 2
源自 拉丁語 [平坦的] *參見 pel…- 2