n.[C]

1. 蝴蝶
2. 衣着艳丽的人，轻浮多变的人（尤指女性）；追求享乐的人
3. 【体】蝶泳[the S]

n.

1. any of a large group of nectar-feeding lepidopterous insects with two pairs of large, typically colourful wings, distinguished from moths by having clubbed or dilated antennae, holding their wings erect when at rest, and being active by day.
2. [as modifier] having a two-lobed shape resembling the spread wings of a butterfly:
   a butterfly clip.
3. a showy or frivolous person:
   a social butterfly.
4. (butterflies) informal a fluttering and nauseous sensation felt in the stomach when one is nervous.
5. a stroke in swimming in which both arms are raised out of the water and lifted forwards together.

v.