귀요미 meaning What does "귀요미" mean? And How to pronounce it?Iis it pronounced with a G as "Gwiyomi" or with a K as "Kwiyomi"?

"ねえ" and "おい" What's the difference in the use of "ねえ" and "おい" when greeting?

How can I say "Congratulations again" in Japanese? Is this sentence correct? "改めておめでとうございます" please tell me if there is a better one :)

Which word would suit the best in this sentence? It's a company name and I'm translating from Arabic into English but I'm not sure which word would describe the meaning of "the most developed or the highest point in development"... Development (Summit/Acme/Peak/Pinnacle) Group If there is more suitable word please let me know :)

Knowledge vs Cognition Which noun is better to use in this sentence? Production and publishing of (Knowledge/Cognition). If there is any better suggestions for the the whole sentence, please feel free :)

Can you translate "내일 나랑 놀 사람 손?" into English

How can I say "you look beautiful today" (in a friendly way) in Japanese?