to be unfaithful to your partner
अपने पार्टनर के प्रति विश्वासघात करना (apne partner ke prati vishwasghat karna)
"She found out that her boyfriend had cheated on her."
"उसे यह पता चला कि उसके बॉयफ्रेंड ने उसे धोखा दिया था।" (use yah pata chala ki uske boyfriend ne use dhokha diya tha.)
to do something badly or incorrectly
to keep believing or trying despite difficulties
to reduce or remove obstacles that limit international trade
to become popular or well-accepted among people
to start feeling comfortable or friendly toward someone
to keep working on something until it is completed