filter something out

Từ điển Oxford Advanced Learner 8th

ˌfilter sthˈout derived
1. to remove sth that you do not want from a liquid, light, etc. by using a special device or substance
•to filter out dust particles/light/impurities
2. to remove sb/sth that you do not want from a large number of people or things using a special system, device, etc
•The test is used to filter out candidates who may be unsuitable.
•The software filters out Internet sites whose content is not suitable for children.
Main entry: ↑filter_derived