そこう【素行】 behavior; ｛文｝ conduct ¶素行が修まらない　 lead a fast [｛文｝ dissolute] life; ｛文｝ be a person of loose morals [character] /素行を改める　 mend one's ways; reform (oneself); turn over a new leaf. 素行調査　 an investigation of a person's conduct.

素行調査　 an investigation of a person's conduct. そこうお【底魚】 a bottom fish; a groundfish.