stump

1. N-COUNT A stump is a small part of something that remains when the rest of it has been removed or broken off. 殘余部分

If you have a tree stump, check it for fungus. 如果你有一個樹樁，就在上面找找菌類。

2. V-T If you are stumped by a question or problem, you cannot think of any solution or answer to it. 把…難住

John Diamond is stumped by an unexpected question. 約翰·戴蒙德被一個意想不到的問題難住了。

3. V-I If politicians stump for a candidate, they travel around making campaign speeches before an election. (選舉前為候選人) 作巡回政治演說[美國英語]

Since September, the president has stumped for Republicans in 23 states. 自9月以來，這位總統(tǒng)已在23個州為共和黨人作了巡回政治演說。