thrash out

动词 thrash out:

1. discuss vehemently in order to reach a solution or an agreement
   同义词：hammer out

1. After much argument we thrashed out a plan.
   我们经充分地讨论制定出一个计画。
2. The top leaders should now be brought in to thrash out the whole business.
   现在得把最高层领导人召集起来，研究解决这整件事情。