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“Fork over” 的起源与19世纪美国的俚语用法有关。“Fork” 在这里作动词使用，形象地描绘了像用叉子（fork）递东西一样“交出”的动作，尤其指不那么情愿地把钱或物“叉”给别人,强调了一种“不得不给”的情绪，常用在需要支付账单、罚款、赔款等令人不太开心的场合。
The Platinum level is like the regular High Flyers Club, but the big difference is that you don't have to get good grades to be a member. You just need to be willing to fork over $12.99 a month.
folks He’s going home to visit his folks this weekend. (他这周末要回家看望父母。) stick it to 带有挑战权威、对抗不公或让对方尝到苦头的意味 Underdogs really stuck it to the defending champions tonight! （弱队今晚狠狠教训了卫冕冠军！） Our new strategy will really stick it to the competition. （我们的新策略将给竞争对手点颜色看看。）