日积月累:

1.haggle:dispute or bargain persistently, especially over the cost of something.

原文：Instead of taking the time to haggle with the other companies for right of way

造句：We should not haggle with our teacher about the assignments.

2.relent:abandon or mitigate a harsh intention or cruel treatment.

原文：Musk never relented in asking his employees to do more and be better, whether it was at the office or during extracurricular activities.

造句：Relenting in dealing with these criminals will lead to terrible result.

3. grate:to irritate or annoy somebody

原文：This audacious gesture really grated on the people toiling away in the SpaceX factory

造句：The pressure of passing the exam grates on me.

唠叨两句:

SpaceX is in this for the long haul and, come hell or high water, we are going to make this work. 三次失败，头脑却依旧冷静，态度依旧乐观坚持，自然成功只是时间的问题。正如马云爸爸曾经说的毒鸡汤一样，今天很残酷，明天很残酷，后天很美好。很多人死在了明天的夜里。