彼の観察力は鋭い

N5 彼 kare he N3 観察 kansatsu observation, survey, careful study N4 力 chikara strength, power, force N3 鋭い surudoi sharp, pointed, keen

N3 彼 hi / kare, kano, ka.no he, that, the N3 観 kan / mi.ru, shime.su outlook, look, appearance N3 察 satsu guess, presume, surmise N4 力 ryoku, riki, rii / chikara power, strength, strong N2 鋭 ei / surudo.i pointed, sharpness, edge

N5 〜の no Indicates possession, relation between nouns, nominal explanation, or turns a verb into a noun phrase N5 〜は wa Marks the topic of the sentence, indicates what the sentence is about, can contrast with another element, organizes main information