i-adjective
Physical sharpness of blades, claws, points, etc.
この包丁はとても鋭い。
This kitchen knife is very sharp.
猫の鋭い爪に気をつけて。
Watch out for the cat's sharp claws.
i-adjective
sharp; acute; cutting; piercing
Used for pain, tone, remarks, criticism, attacks, questions, looks, gazes, and sounds that are intense, harsh, or penetrating.
彼の鋭い批判に誰も反論できなかった。
No one could argue against his sharp criticism.
彼女は鋭い目つきで私を見た。
She looked at me with a piercing gaze.
突然、鋭い痛みが走った。
Suddenly, a sharp pain shot through me.
i-adjective
keen; sharp; astute; perceptive
Describes sharp mental faculties, intuition, senses, insight, or discerning judgment.
彼は鋭い観察力を持っている。
He has keen powers of observation.
犬は鋭い嗅覚で獲物を見つける。
Dogs find prey with their acute sense of smell.