1.We couldn't strike a bargin due to the disagreeement between us.
2.He regretted wasting so much time.
as a result of we both eyeball over, finally failed to reach a deal.
he regartted wasting so much time
1 as the disputation between two of us, finally we failed to
make the deal. (或 finally we didn't come to terms.)
2 he regretted for having wasted so much time。
We didn't make a deal eventually because we didn't make any compromise to each other.
He is repentant of wasting so much time.
第一句:We failed to make the deal due to the dispute between us. 这句比较好点、
第二句:He had regretted wasting so much time. 用过去完成时比较好吧。参考参考吧,呵呵。 不好意思啊!
Since 1, two our does not dodge with each other mutually,the at last fails to strike a bargain. 2, he regrets to have wasted so many time.