A being from another planet.

Unfamiliar or different.

अपरिचित या भिन्न

English Usage: The new culture felt alien to her.

Hindi Usage: नई संस्कृति उसके लिए अपरिचित महसूस हुई।

Work, especially physical work.

The process of childbirth.

प्रसव की प्रक्रिया

English Usage: Her labour lasted for several hours before she gave birth.

Hindi Usage: उसका प्रसव कई घंटों तक चला इससे पहले कि वह बच्चे को जन्म दे।