ph.

1. 把…关在门外;使…不能进入
If you shut something or someone out, you prevent them from getting into a place, for example by closing the doors.

2. 摒弃，阻断(念头、情感等)
If you shut out a thought or a feeling, you prevent yourself from thinking or feeling it.

3. 把…排除在外
If you shut someone out of something, you prevent them from having anything to do with it.

1. prevent from entering
shut out

e.g. The trees were shutting out all sunlight
This policy excludes people who have a criminal record from entering the country

Synonym: excludekeep outshut