(of the points and cutting edges of knives, etc.) sharp
(of a person) having a strong, active interest in sth; eager to do sth
(of a competition or struggle) done with eagerness and activity on both sides
(of mind, feelings, senses, etc.) good, strong, quick at understanding, etc.
"an acute observer of politics and politicians"
"icy knifelike reasoning"
"as sharp and incisive as the stroke of a fang"
"frequent penetrative observations"
"suffered exquisite pain"
"felt exquisite pleasure"
"he did a bully job"
"a neat sports car"
"had a great time at the party"
"you look simply smashing"
"a cutting wind"
"piercing knifelike pains"
"a stabbing pain"
"a keen blade"
"we lamented the death of the child"
I am contributing my funeral keen, my personal lament.
出自： D. M. Davin
When the axe was..keen, he began to chop wood.
出自： M. Shadbolt
It was a good knife with a keen blade.
出自： M. Coney
Keens the dog up before a race.
出自： R. Dahl
The very solitude of the wood..keened and sharpened his senses.
出自： G. Seymour
The body of Johnny was taken by his own people who keened over him.
出自： F. Forsyth
It was his turn to keen and cry.
出自： A. Alvarez