She has a keen interest in science and spends hours reading about it.
她对科学有着浓厚的兴趣，并花费数小时阅读相关内容。
The detective had a keen sense of observation and was able to solve the mystery quickly. Which word most closely matches the meaning of “keen”?
B — sharp. “keen” means adj. having a sharp edge or point; intellectually sharp or perceptive
With her ______ eyesight, the hawk easily spotted the mouse far below.
B — keen. “keen” means adj. having a sharp edge or point; intellectually sharp or perceptive
keen — adj. having a sharp edge or point; intellectually sharp or perceptive. In Chinese: 敏锐的，热心的.
keen is pronounced /kiːn/. It breaks into 1 syllable: keen.
She has a keen interest in science and spends hours reading about it. (她对科学有着浓厚的兴趣，并花费数小时阅读相关内容。)
eager, enthusiastic, sharp, intense — all close in meaning to keen (adj. having a sharp edge or point; intellectually sharp or perceptive).
Yes. keen appears on the iSEE Vocab Upper list, which covers 800+ words for the ISEE and SSAT.
Compare ''knife'', its pronunciation is similar to the beginning of ''knife'', a knife is sharp, thus extended to mean keen