彼に迷惑をかけてしまった

N5 彼 kare he N3 迷惑 meiwaku trouble, bother, annoyance N3 しまった shimatta darn, too bad, I messed up

N3 彼 hi / kare, kano, ka.no he, that, the N3 迷 mei / mayo.u astray, be perplexed, in doubt N1 惑 waku / mado.u beguile, delusion, perplexity

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 〜を o Marks the direct object of an action, appears before the verb, shows what receives the action N5 〜に ni Indicates destination, target, arrival point, specific time, or person receiving an action N5 〜か ka Marks a question, alternative, or uncertainty, appears at the sentence end or between options