| 词汇 | not to know beef from bulls’ foot |
| 词源 | not to know beef from bulls’ foot. A phrase meaning to be exceedingly dumb; also not to know B from bull’s foot, not to know bees from bull’s foot, and not to know beeswax from bull’s foot. |
| 随便看 |
英语词源词典收录了13259条英语词源词条，基本涵盖了全部常用英语词汇的起源、历史，是研究英语词汇或通过词源学英语的必备工具。