flea
/fliː/noun
1- a small wingless jumping insect which feeds on the blood of mammals and birds. It sometimes transmits diseases through its bite, including plague and myxomatosis.跳蚤。
1.1
- Order Siphonaptera: several families and many species, including the human flea (Pulex irritans).虱目：数科, 多种, 包括人蚤（拉丁名 Pulex irritans）。
1.2
- short for FLEA BEETLE.FLEA BEETLE的简称。
1.3
- 参见WATER FLEA.
短语
as fit as a flea
- in very good health非常健康。
a flea in one's ear
- a sharp reproof尖锐的批评; 严厉的非难：
she expected to be sent away with a flea in her ear.
她料定自己会被狗血淋头地骂走的。
词源
Old English flēa, flēah, of Germanic origin; related to Dutch vlo and German Floh.