thrashsthout
—phrasal verbwiththrashverbuk/θræʃ/us/θræʃ/
informaltodiscussaproblemindetailuntil youreachanagreementorfindasolution
彻底讨论（直到找到解决办法）；通过反复商讨解决
If we have animportantdecisionto make, we sometimesspendawholedaythrashingit out in ameeting.当我们要作重大决策时，有时会开一整天的会来商定。