1590s, literally "to throw a card away," from dis- "away" + card (n.). Figurative use (in a non-gaming sense) is first recorded 1580s. In the card-playing sense, decard is attested by 1550s. Related: Discarded; discarding. As a noun, from 1742.
权威例句
1. Einstein had the chutzpah to discard common sense and long-established theory.
爱因斯坦敢于抛弃常识和长期公认的理论。
2. Clean the mussels and discard any that do not close.
把贻贝洗干净,凡是合不上口的都扔掉。
3. Discard the bacon rind and cut each rasher in half.
去掉熏肉的外皮,再把每一片熏肉切成两半。
4. Cut the flesh from the olives and discard the stones.