the sharp end

剑桥词典

the part of an activity , such as a job , where the most problems are likely to be found
（工作等的）最难之处，问题多发处
A job like hers would be much too demanding for me, but she enjoys being at the sharp end. 她那样的工作对我来说太困难了，但她喜欢这种激烈的挑战。 返回 the sharp end