注釈がないと、わかりにくい

N3 注 chuu note, annotation, comment N5 ない nai there isn't, doesn't have N1 かりに karini temporarily; if, for argument's sake

N4 注 chuu / soso.gu, sa.su, tsu.gu pour, irrigate, shed (tears) N1 釈 shaku, seki / toku, su.teru, yuru.su explanation, explication, justification

N4 〜にくい nikui Indicates difficulty performing an action, attaches to the verb stem, means hard to do N5 〜が ga Marks the grammatical subject, highlights new information, can also show slight contrast in some sentences N5 〜に ni Indicates destination, target, arrival point, specific time, or person receiving an action N5 〜と to Indicates company, quotation, natural condition, complete list, or direct connection between elements N5 〜か ka Marks a question, alternative, or uncertainty, appears at the sentence end or between options