Visit chief and reach a crisis (4,2,1,4)
I believe the answer is:
come to a head
'reach a crisis' is the definition.
(I've seen this before)
'visit chief' is the wordplay.
I cannot quite understand how this works, but
'visit' could be 'come' (come can mean to make a visit) and 'come' is found in the answer.
'chief' could be 'head' (synonyms) and 'head' is located in the answer.
The remaining letters 'toa' is a valid word which might be clued in a way I don't understand.
This explanation may well be incorrect...
'and' acts as a link.
Can you help me to learn more?
(Other definitions for come to a head that I've seen before include "arrive in critical condition" , "Reach a critical stage" , "Reach crisis point" , "Reach a climax" , "arrive at a crisis" .)