第一印象が大事

N5 一 ichi one, number one N3 印象 inshou impression, perceived image N4 大事 daiji important, valuable, serious matter

N1 第 dai, tei No., residence, numéro N5 一 ichi, itsu / hito-, hito.tsu one, one radical (no.1), un N2 印 in / shirushi, -jirushi, shiru.su stamp, seal, mark N2 象 shou, zou / katado.ru elephant, pattern after, imitate N5 大 dai, tai / oo-, oo.kii, -oo.ini large, big, grand N4 事 ji, zu / koto, tsuka.u, tsuka.eru matter, thing, fact

N5 〜が ga Marks the grammatical subject, highlights new information, can also show slight contrast in some sentences