stress out 使人感到担忧或焦虑
Studying for exams always stresses me out.
为考试而学习总是让我担忧。

nerve wracking使人十分紧张的, 伤脑筋的
He faced a nerve-racking wait for her test results.
他正在紧张地等待考试结果。

brush off不愿见(或听)，不理睬
She gave me the brush-off.
她不理我。

cheer up (使)高兴起来，(使)振作起来
Try and cheer up a bit; life isn't that bad!
想办法高兴点儿，生活并不是那麽糟！

【拓展词汇】
down in the dumps 感到难过，不高兴

have the blues 感到难过

rattled （rattle过去分词）使惊慌失措

grinds my gears 惹怒我，令我生气

pissed off 十分生气，惹恼的
You get really pissed off applying for jobs all the time.
一直在申请工作，你一定很恼火。