彼女との関係がこじれてしまった

N5 彼女 kanojo she N4 関係 kankei relation(ship), connection N3 しまった shimatta darn, too bad, I messed up

N3 彼 hi / kare, kano, ka.no he, that, the N5 女 jo, nyo, nyou / onna, me woman, female, femme N3 関 kan / seki, -zeki, kaka.waru, karakuri, kannuki connection, barrier, gateway N3 係 kei / kaka.ru, kakari, -gakari, kaka.waru person in charge, connection, duty

N4 〜てしまう te shimau Indicates completed action with nuance of regret, surprise, or unexpected result, attaches to the te-form verb N4 〜し shi Indicates multiple reasons or qualities, connects clauses or adjectives, means besides that, and also N5 〜が ga Marks the grammatical subject, highlights new information, can also show slight contrast in some sentences N5 〜と to Indicates company, quotation, natural condition, complete list, or direct connection between elements N5 〜の no Indicates possession, relation between nouns, nominal explanation, or turns a verb into a noun phrase