turn somebody/something↔down: to reject or refuse to consider an offer, a proposal, etc. or the person who makes it 拒绝,顶回(提议、建议或提议人)
Why did she turn down your invitation? 她为什么谢绝你的邀请?
He has been turned down for ten jobs so far. 他迄今申请了十份工作都遭到拒绝.
He asked her to marry him but she turned him down. 他请求她嫁给他,但是她回绝了.
Challenging: difficult in an interesting way that tests your ability 挑战性的;考验能力的
challenging work/questions/problems 具有挑战性的工作/提问╱问题
a challenging and rewarding career as a teacher 富有挑战性且有意义的教师职业
stress: pressure or worry caused by the problems in somebody's life 精神压力;心理负担;紧张
Things can easily go wrong when people are under stress. 人在压力之下,办事情就容易出差错.
to suffer from stress 有精神压力
coping with stress 应对压力
She failed to withstand the stresses and strains of public life. 她承受不了作为一个公众人物的生活压力和紧张.