(N. Amer. informal)a persistent source of irritation(北美，非正式)惱人的事，令人煩惱的事
柯林斯高階英漢雙解學習詞典釋義
N-COUNT
（某些植物）帶芒刺的小果實
A burr is the part of some plants which contains seeds and which has little hooks on the outside so that it sticks to clothes or fur.
N-COUNT
（英語方言中的）顫動小舌的r音，粗喉音
If someone has a burr, they speak English with a regional accent in which 'r' sounds are pronounced more strongly than in the standard British way of speaking.
例句
...a warm West Country burr.一種熱情的英格蘭西南部小舌顫音
英漢詞典釋義
n.
講話時的r音
She speaks with a Scottish burr.她講話時帶蘇格蘭人的顫音r音。
帶刺的種子；有芒刺的草(或其他植物)；帶芒刺的小果實
Our dog came home with burrs in his coat.我們的狗回家時毛上有些帶刺的種子。
英英詞典釋義
Noun
1. seed vessel having hooks or prickles
2. rough projection left on a workpiece after drilling or cutting
3. rotary file for smoothing rough edges left on a workpiece