惆怅

She managed a rueful little smile.

她勉强露出颇带惆怅的一丝笑容。

I am unconfident and upset, and don't know that never does the mirror beautify or uglify me, it is my heart that has enslaved me to it.

自卑惆怅的却不知，不美或丑，而的心让成的奴隶。