break point
noun- (specialist)
the point where something, especially a computer program, is interrupted （尤指计算机程序的）断点，中断点 -
(especially in tennis 尤指网球 a point that the person who is serving must win in order not to lose a game 破发点；破对方发球局的末点 - (also breaking point)
the time when problems become so great that a person, an organization or a system can no longer deal with them （问题难以遏制的）顶点，极限