当代第一

とうだいだいいち

the greatest of the day

随一

ずいいち ずいいつ

best, greatest, first

当代

とうだい

the present age, these days, (present) head of the family

一代

いちだい

generation, lifetime, age

代当主

だいとうしゅ

indicates a person is the n-th generation head of a family

弁当代

べんとうだい

lunch money

一世一代

いっせいちだい いっせいいちだい

once in a lifetime, the first and last occurrence (event, experience) of one's lifetime

一代一度

いちだいいちど

once in an emperor's reign, event that takes place only once in a sovereign's reign

当代無双

とうだいむそう

being unsurpassed (unparalleled) at present

代謝当量

たいしゃとーりょー

metabolic equivalent

当代無比

どうだいむひ

being unsurpassed (unparalleled) at present

一時代

いちじだい

an era; a (certain) period (in history)

一代記

いちだいき

biography

一騎当千

いっきとうせん

being a match for a thousand, being a mighty warrior (combatant, player)

一人当て

ひとりあて いちにんあて

per person

一人当千

いちにんとうせん いちにんとうぜん

being a match for a thousand

一代分限

いちだいぶんげん いちだいぶげん

new money, nouveau riche, person who has amassed substantial wealth in his lifetime

一代雑種

いちだいざっしゅ

F1 hybrid, first filial hybrid, first cross

一代年寄

いちだいとしより

special coaching stock awarded to retired grand champion