How to say you had better apologize to him for that failure in some way or other. in Japanese
1)
な(prt) connects adj to noun/indicates emotion or emphasis/command/prohibitionんとかしてそno dictionary result, likely a conjigated verbのの(no) (prt) indicates possessive/nominalizes verbs and adjectives/substitutes for "ga" in subordinate phrases/indicates a confident conclusion/ indicates emotional emphasis/indicates question失敗失敗(shippai) (n,adj-no,vs) failure/mistake/blunderのの(no) (prt) indicates possessive/nominalizes verbs and adjectives/substitutes for "ga" in subordinate phrases/indicates a confident conclusion/ indicates emotional emphasis/indicates questionことこと(koto) (prt) particle indicating a command/particle indicating mild enthusiasm/particle indicating a gentle interrogative/particle used to soften a judgment or conclusionでで(de) (prt) indicates location of action/at/in/indicates time of action/indicates means of action/cause of effect/by/and then/so/indicates continuing action/ indicates certainty, emphasis, etc.彼彼(kare) (ok) that , or something understood without naming it directly)/that person/over there/hey/eh?/thatにに(ni) (prt) indicates such things as location of person or thing, location of short-term action, etc.謝ったno dictionary result, likely a conjigated verbno dictionary result, likely a conjigated verbほうがいいよno dictionary result, likely a conjigated verbno dictionary result, likely a conjigated verb。。(。) Japanese period "."
