彼の態度に対して少し疑問を感じている

N5 彼 kare he N5 少し sukoshi a little N5 ている te iru be doing

N3 彼 hi / kare, kano, ka.no he, that, the N1 態 tai / waza.to attitude, condition, figure N4 度 do, to, taku / tabi, -ta.i degrees, occurrence, time N3 対 tai, tsui / aite, kota.eru, soro.i, tsurea.i, nara.bu, muka.u vis-a-vis, opposite, even N4 少 shou / suku.nai, suko.shi few, little, un petit peu N3 疑 gi / utaga.u doubt, distrust, be suspicious N4 問 mon / to.u, to.i, ton question, ask, problem N3 感 kan emotion, feeling, sensation

N4 〜に対して ni taishite Indicates target, direction, attitude, or contrast toward something, attaches to a noun, means toward, against, or in relation to N5 〜ている te iru Indicates ongoing action, continuous state, repeated habit, or resulting condition depending on context N4 〜し shi Indicates multiple reasons or qualities, connects clauses or adjectives, means besides that, and also N5 〜を o Marks the direct object of an action, appears before the verb, shows what receives the action N5 〜に ni Indicates destination, target, arrival point, specific time, or person receiving an action N5 〜の no Indicates possession, relation between nouns, nominal explanation, or turns a verb into a noun phrase