Don't take it to heart.
别往心里去,别为此而忧虑伤神.
This test isn't that important. Don't take it to heart.
[Nextpage]
Let's face it/the music.
面对现实吧;常表明说话人不愿意逃避困难的现状.
I know it's a difficult situation. Let's face it, OK?
The others all ran off, leaving me to face the music.
其他人都跑掉了,留下我来挨罚.