Bedeutung von “block sth out” — Learner’s Dictionary

block sth out

phrasal verb with block us uk /blɒk/ verb [ T ]
NOT THINK

to try to stop yourself thinking about something unpleasant:

I've blocked out memories of the accident.
LIGHT/NOISE

to stop light or noise passing through something:

Most sunscreens block out UVB radiation.

(Definition von “block sth out” aus dem Cambridge Learner's Dictionary © Cambridge University Press)