意味: こうかいせv. (Kanji=後悔する) regret, feel remorsefulv. (Kanji=航海する) sail, cruise in a sailboat, take a trip in a sailing ship; drive a sailboat, operate and navigate a sailing shipv. (Kanji=公開する) exhibit, show, demonstrate; presentv. (Kanji=更改する) renew, renovate, restore to good condition