彼の突然の来訪に驚きを隠せなかった

N5 彼 kare he N3 突然 totsuzen abruptly, suddenly, unexpectedly N3 来 rai next, coming, prefix for time N3 驚き odoroki surprise, astonishment, wonder

N3 彼 hi / kare, kano, ka.no he, that, the N3 突 totsu, ka / tsu.ku stab, protruding, thrust N3 然 zen, nen / shika, shika.ri, shika.shi, sa sort of thing, so, if so N5 来 rai, tai / ku.ru, kita.ru, kita.su, ki.tasu, ki.taru, ki, ko come, due, next N3 訪 hou / otozu.reru, tazu.neru, to.u call on, visit, look up N1 驚 kyou / odoro.ku, odoro.kasu wonder, be surprised, frightened N1 隠 in, on / kaku.su, kaku.shi, kaku.reru, kaka.su, yo.ru conceal, hide, cover

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 N5 〜か ka Marks a question, alternative, or uncertainty, appears at the sentence end or between options