"Send a red packet" in Engpsh can be expressed as "give a red envelope".

The tradition of giving red envelopes filled with money as gifts comes from Chinese culture. It is typically given during hopdays or special occasions such as Chinese New Year to express good wishes and bring good luck.

Example Sentences:

Can you give me a red envelope for my birthday?
I received a red envelope from my grandma for Chinese New Year.
The company gave their employees red envelopes filled with bonus money for their hard work.

Example Sentences in Chinese:

你能给我生日红包吗？
我从奶奶那里收到了一个春节红包。
公司给员工发了带有奖金的红包以表彰他们的努力工作。