"I'm nervous to meet you." => (NAME 씨를) 만나 보니 긴장이 되네요 / 만나 뵈니 가슴이 두근거리네요 / 만나 뵈니 떨리네요. * 만나 보다: meet someone (in person). * 뵈니: an honorific form of 보니. * 긴장되다: become tense and nervous. * 가슴이 두근거리다: one's heart beats fast. * 떨리다: be afraid and nervous. shaky. "I'm nervous to meet you because I can't speak Korean well and I'm shy." => 제가 한국말도 잘 못하고 내성적이라서 [수줍어서] (NAME 씨를) 만나 뵈니 떨리네요. "I'm excited to meet you" => 만나 뵈서 너무 좋으네요 (I'm so happy to meet you). (There doesn't seem to be an expression matching "I'm excited" exactly. We use 너무/정말 좋아요 very widely) UPDATE: "뵈서" is an wrong spelling. 봬서 is correct (뵈다->뵈어서 >봬서). Also, "좋으네요"->좋네요.