惆怅

She managed a rueful little smile.

她勉强露惆怅的一丝笑容。

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.

卑惆怅的我却不知，不镜子把我照美或照丑，而我的心让我成了镜子的奴隶。