n.[C]

1. 长笛，横笛
   He plays the flute like a professional.

   他吹长笛已达到专业人员的水平。

2. 笛形物
3. （柱子等上的）凹槽

vt.

1. 用长笛奏（乐曲）；用长笛般的声音唱（或说，吹）出
2. 在（柱子等）上制作凹槽

vi.

1. 吹长笛；用长笛般的声音歌唱（或说话，吹哨）

n.

1. a high-pitched wind instrument consisting of a tube with holes along it, usually held horizontally so that the breath can be directed against a fixed edge.
2. Architecture  an ornamental vertical groove in a column.
   ▸a trumpet-shaped frill on a garment.
3. a tall, narrow wine glass.

v.

1. speak in a melodious way.
   ▸literary play a flute or pipe.
2. [often as adj. fluted] make flutes or grooves in.