I have little to observe on what has been said.对所说的这些,我谈不出什么意见。I was rather quiet as I didn't feel I had much wisdom to impart on the subject.我没怎么说话,因为我觉得自己在这个问题上谈不出什么高见。This is getting us nowhere. Let's just drop the subject, okay?这样又谈不出什么结果来,我们不谈这个话题了好吗?