gauche
adjective uk/ɡəʊʃ/ us/ɡoʊʃ/
（尤指因年轻且经验不足而）笨拙的，不善社交的，不老练的
awkward and uncomfortable with other people, especially because young and without experience
She had grown from a gauche teenager to a self-assured young woman. 她从一个笨嘴拙舌的小姑娘变成一位自信的年轻女性。