動詞 thrash out:

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

1. After much argument we thrashed out a plan.
   我們經(jīng)充分地討論制定出一個計畫。
2. The top leaders should now be brought in to thrash out the whole business.
   現(xiàn)在得把最高層領(lǐng)導人召集起來，研究解決這整件事情。