Reach crisis point (4,2,1,4)
I believe the answer is:
come to a head
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">reach crisis point</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for come to a head that I've seen before include "arrive at a crisis" , "Reach a critical stage" , "Reach a climax" , "Reach crisis point" , "arrive in critical condition" .)