Interpret by watching the mouth (3-4)

I believe the answer is:

lip-read

(Other definitions for lip-read that I've seen before include "Dire pal can interpret mouth movements as words" , "Understand by watching mouth" , "Interpret someone''s words when deaf" , "Understand without hearing" , "How to "hear" when deaf" .)

I've seen this clue in The Sun.

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