词典释义：
释义
discard something as useless or unwanted
扔掉，抛弃，丢弃。
waste or fail to make use of an opportunity or advantage
丧失，错过
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I've thrown away my chances in life .我一生错失数次良机。
discard a playing card in a game
去牌，垫牌。
(of an actor)deliver a line with deliberate underemphasis for increased dramatic effect
（演员）轻轻带过（台词）。