n. 废物, 废料

n any materials unused and rejected as worthless or unwanted

n useless or profitless activity; using or expending or consuming thoughtlessly or carelessly

n the trait of wasting resources

n an uninhabited wilderness that is worthless for cultivation

n (law) reduction in the value of an estate caused by act or neglect

v spend thoughtlessly; throw away

v use inefficiently or inappropriately

v get rid of

v run off as waste

v get rid of (someone who may be a threat) by killing

v spend extravagantly

v lose vigor, health, or flesh, as through grief

v cause to grow thin or weak

v cause extensive destruction or ruin utterly

v become physically weaker