n.政治演說家；難題；除根機

He stumbled over a stump and fell flat on his face. 他給樹樁一絆，摔了個嘴啃泥。

He went on the stump in his home state. 他到故鄉(xiāng)所在的州去發(fā)表演說。

He was on the stump in his home state. 他在自己家鄉(xiāng)的州里到處發(fā)表政治演說。

We sat on a stump to take a rest. 我們坐在樹墩上休息。

The ball narrowly shaved his off stump. 那個球緊貼著他的三柱門的外柱掠過。

If we all stump up a pound we'll have enough for a round of drinks. 如果我們都拿出一英鎊，我們就有足夠的錢喝一巡酒了。