butterfly
/ˈbʌtəflaɪ; `bʌtɚˌflaɪ/ n
1 [C] insect with a long thin body and four (usu brightly coloured) wings 蝴蝶. =>illus 见插图.
2 [C] (fig 比喻) person who never settles down to one job or activity for long 无恒心的人; 没常性的人
a social butterfly 交际花.
3 [sing] (also `butterfly stroke) stroke in swimming in which both arms are raised and lifted forwards at the same time while the legs move up and down together 蝶泳
doing (the) butterfly 游蝶泳.
4 (idm 习语) have `butterflies (in one's stomach) (infml 口) have a nervous feeling in one's stomach before doing sth （做某事以前）心慌, 紧张.