notadictionary.com
俺の人生ってずっと「運が悪い」と思ってたけど…
→ “I always thought my life was just 'bad luck'...”
俺 ore = I (masculine, casual pronoun)
の no = of / possessive particle
人生 jinsei = life (noun)
人 jin = person
生 sei = life / birth
って tte = topic marker (casual contraction of 'to'), used here to introduce a topic for discussion
ずっと zutto = always / all along (adverb)
「 = opening quotation mark (punctuation)
運 un = luck / fortune (noun)
が ga = subject marker particle (marks the noun as the focus of the sentence)
悪い warui = bad / unlucky (i-adjective)
」 = closing quotation mark (punctuation)
と to = quote particle (introduces direct speech or thoughts)
思 omo = think / consider (v.)
っ = small tsu (indicates gemination/long vowel sound in verb conjugation)
て te = te-form connector (connects verbs to show continuous action or state)
た ta = past tense auxiliary (indicates completed action)
けど kedo = but / however (conjunction, often used to imply 'and yet' or set up a contrast)
… = ellipsis (indicates trailing off or unspoken thought)