博治, 博爾, 博次, 博二, 博司, 浩次, 浩二, 浩司: a male given name / 浩嗣, 浩治, 広二, 広地, 広次, 広治, 広滋, 啓之: a male given name / 啓二, 啓司, 宏二, 宏司, 宏次, 宏治, 宏爾, 大二: a male given name

必勝: certain victory

火花: spark

入日: setting sun; evening sun

必須: indispensable, required

the exclusive use, dedicated, being only for, specifically for

did you want something? can I help you? what do you want? did you need me?

having served one's purpose

Kyūjitai form of 当用: general use, current use, daily use

(grammar) declension