大物: / 大物, 大者: (by extension) important figure

Ka-ending dialect form of おおい (ōi, “numerous”)

large hole / great loss / (horse racing) dark horse; or the money gained from successfully betting on a dark horse

(idiomatic) A piece of cake; an extremely simple thing, something trivial, a cinch, easy as pie.

朝飯前: A piece of cake; an extremely simple thing.

(telephony) a common Japanese telephone greeting: hello; used when answering the telephone / used to confirm that the person being addressed is listening, or to confirm if anyone is listening

put away

The hiragana syllable りょ (ryo). Its equivalent in katakana is リョ (ryo).

(text messaging slang) Short for 了解 (ryōkai, “understand”).

The hiragana syllable じょ (jo). Its equivalent in katakana is ジョ (jo).