Remove the ones we doubt? (4,3)
I believe the answer is:
weed out
'remove' is the definition.
(weeding out is a kind of removing)
'the ones we doubt?' is the wordplay.
I cannot really see how this works, but
'the' could be 't' (the is pronounced as a 't' sound in some dialects) and 't' is present in the answer.
'we' is present in the answer.
This explanation may well be incorrect...
Can you help me to learn more?
(Other definitions for weed out that I've seen before include "Identify and get rid of" , "Eliminate" , "Remove unwanted elements" .)