nhân dịp

Meaning

1. marking an occasion

   preposition

   on the occasion of, for

   It opens the sentence, and the rest says what you do for the occasion: a wish, a gift, a visit.

   • Nhân dịp sinh nhật, em tặng chị bó hoa này.

     For your birthday, these flowers are for you.

   • Nhân dịp Tết, công ty cho nghỉ một tuần.

     For Tết, the company gives everyone a week off.

   Grammar: On the occasion of: nhân (dịp) + occasion