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An overhand throw is the one where your arm goes up and over, higher than your shoulder, and then comes forward. Baseball, softball, American football, many ball games. The opposite is underhand (underarm), where the arm stays low and swings up from below. American sports writing likes overhand; British school sports and cricket often say for the same idea. It can describe the throw, the serve, or the way of bowling. There is also an overhand knot, where the rope itself goes over — same pieces, different job. Here we mean the throw. It is a plain how-you-move word, not a fancy one.
高手投球、過頭投擲（手臂高過肩膀）
原始詞典資料8 筆記錄
以下是外部詞典記錄的用法，原文照列，我們還沒有寫成教學內容。上面的說明才是我們自己寫的；有些用法可能上面已經講過了。
overhandadj
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Executed with the hand brought forward and down from above the shoulders.
- an overhand shuffle of a deck of cards
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businessmanufacturingsewingSewn with close, vertical stitches that draw the edges of a seam together.
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With the working part on top of the standing part.
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businessconstructionmanufacturingLaid such that the surface of the wall to be jointed is on the opposite side of the wall from the mason, requiring the mason to lean over the wall to complete the work.
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businessminingDone from below upward.
overhandnoun
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The upper hand; advantage; superiority; mastery.
- He had gotten thereby a great overhand on me.
overhandadv
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In an overhand manner
overhandverb
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Sew using an overhand stitch.
- Now, those little ends of the bag above the running stitches, are to be overhanded together.
資料來源：英文維基詞典 English Wiktionary（CC BY-SA 4.0）。 原文照列，未經改寫。