To a significant extent or degree

काफ़ी

English Usage: She was quite surprised by the news.

Hindi Usage: उसे इस खबर से काफ़ी आश्चर्य हुआ।

Unable to find one's way

खोया हुआ

English Usage: He felt quite lost in the new city.

Hindi Usage: नए शहर में वह काफ़ी खोया हुआ महसूस कर रहा था।

To be deprived of something

खोना

English Usage: Don't lose hope; things will get better.

Hindi Usage: उम्मीद मत खोओ; चीजें बेहतर होंगी।