彼は初心者にしてはかなり上手だと思う

N5 彼 kare he N4 心 kokoro heart, mind, feeling N3 者 mono person, someone, individual N3 かなり kanari considerably, quite, fairly N5 上手 jouzu skillful / good at N1 だと dato if it's the case N4 思う omou think, feel, suppose

N3 彼 hi / kare, kano, ka.no he, that, the N3 初 sho / haji.me, haji.mete, hatsu, hatsu-, ui-, -so.meru, -zo.me first time, beginning, première fois N4 心 shin / kokoro, -gokoro heart, mind, spirit N4 者 sha / mono someone, person, personne N5 上 jou, shou, shan / ue, -ue, uwa-, kami, a.geru, -a.geru, a.garu, -a.garu, a.gari, -a.gari, nobo.ru, nobo.ri, nobo.seru, nobo.su, tatematsu.ru above, up, au-dessus N4 手 shu, zu / te, te-, -te, ta- hand, main, mano N4 思 shi / omo.u, omoera.ku, obo.su think, penser, pensar

N5 〜と思う to omou Indicates speaker thought opinion or assumption, connects clause with mental expression N4 〜し shi Indicates multiple reasons or qualities, connects clauses or adjectives, means besides that, and also 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 N5 〜は wa Marks the topic of the sentence, indicates what the sentence is about, can contrast with another element, organizes main information