B: I’m afraid we have really made a great concession, and could not go any further.

恐怕不行了，我们确实已做出了很大让步，无法再增加了。

The criminal should stop on precipice , retreat from the wrong path and not go any further.

犯罪分子应该迷途知返,悬崖勒马, 不要在错误的道路上继续走下去.

The criminals should stop on the precipice, retract from the wrong path and not go any further.

犯罪分子应当迷途知返，悬崖勒马，不要在错误的道路上…