for one's mind to go blank, to freeze

Clipping of 中折れ帽子 (nakaorebōshi, “fedora”) (felt hat)

a fedora (felt hat)

contents, substance (of speech, etc.) / physical contents / inside

(politics, historical, archaic) a middle counselor in the 太政官 (Ōimatsurigoto no Tsukasa, “Great Council of State”)

(historical, government) the Ministry of the Center

countryside road; country road

(derogatory) of the countryside; hickish

good / close / intimate / relationship

central / middle / center