なよっちいweak, frail, slender, feminine

なよっちい姿(すがた)は彼女(かのじょ)に見(み)せたくありません。

I don't want to show her my frail appearance. {weak, frail, slender, feminine}

ドッキリをかけられてなよっちい声(ごえ)が出(で)ました。

I was pranked and let out a weak, feminine voice. {weak, frail, slender, feminine}

なよっちい仕草(しぐさ)をする彼(かれ)は自分(じぶん)に自信(じしん)がなさそうだ。

He, who displays a frail or feminine behavior, seems to lack confidence in himself. {weak, frail, slender, feminine}

友達(ともだち)：「なよっちい顔(がお)をしていないで元気(げんき)を出(だ)して！一緒(いっしょ)に遊(あそ)ぼう！」

Friend: "Don't look so weak, cheer up! Let's play together!" {weak, frail, slender, feminine}

個人(こじん)的(てき)には、ガチムチな人(ひと)よりもなよっちい体(からだ)つきの人(ひと)の方(ほう)が好(この)みだ。

Personally, I prefer people with a slender or feminine physique rather than muscular ones. {weak, frail, slender, feminine}