ゆうこ 勇を鼓す Show inflections LinksSentence search for 勇を鼓すSentence search for ゆうをこすKanji details for 勇 and 鼓Edit in JMdict Expressions (phrases, clauses, etc.), Godan verb with 'su' ending1. to screw up one's courage; to take heart Discussions Log in to talk about this word.