How to say don't get upset about small things try to think of things like a rich person who can afford not to argue in Japanese
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つまらんことにいらいらしno dictionary result, likely a conjigated verbない(aux-adj) not/emphatic suffix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.、、(、) Japanese comma金持ち金持ち(kanemochi) (n) rich person喧嘩喧嘩(kenka) (n,vs) quarrel/brawl/fight/squabble/scuffleせずせず(sezu) (prt,suf) without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精神精神(seishin) (n) mind/soul/heart/spirit/intentionをを(wo) (prt) indicates direct object of action/indicates subject of causative expression/indicates an area traversed/indicates time over which action takes place/indicates point of departure or separation of action/indicates object of desire, like, hate,もったらどうだno dictionary result, likely a conjigated verbno dictionary result, likely a conjigated verbいい(i) (prt) strengthens a question, assertion, etc.。。(。) Japanese period "."
