having or demonstrating ability to recognize or draw fine distinctions; "an acute observer of politics and politicians"; "incisive comments"; "icy knifelike reasoning"; "as sharp and incisive as the stroke of a fang"; "penetrating insight"; "frequent penetrative observations"
微細な区別を認識するか引き起こす能力を持っている、あるいは示すさま
incisive
suitable for cutting or piercing; "incisive teeth"
(Sound)
