louse

louse
(pl. lice )
  1. (pl. lice )either of two small wingless parasitic insects that live on the skin of mammals and birds
    虱。 参见body louse, head louse
  2. sucking lousean insect with piercing mouthparts, found only on mammals (order Anoplura or Siphunculata) biting lousean insect with a large head and jaws, found chiefly on birds (order Mallophaga)
    血虱参见body louse, head louse. 羽虱
    ■used in names of small invertebrates that parasitize aquatic animals or infest plants, e.g. fish louse
    [用于寄生于水生动物或感染植物的小型无脊椎动物的名称中,如fish louse]
  3. (pl. louses)(informal)a contemptible or unpleasant person
    (非正式)卑鄙家伙
verb
[with obj.]
  1. (louse something up)(informal)spoil or ruin something
    (非正式)弄糟;弄乱,毁坏
    he loused up my promotion chances.
    他破坏了我晋升的机会。
  2. (archaic)remove lice from
    (古)清除…上的 虱子
语源
  1. Old English lūs, (plural) lȳs, of Germanic origin; related to Dutch luis, German Laus
英语宝典
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