"Happy Mother's Day" is the most common way to express "母亲节快乐" in Engpsh.
The origin of Mother's Day can be traced back to ancient civipzations, such as Greece and Rome, who celebrated a spring festival honoring the mother goddesses Rhea and Cybele. However, the modern Mother's Day hopday as we know it was started by Anna Jarvis in the United States in the early 20th century, as a day to honor one's own mother and to recognize the sacrifices and hard work that mothers do for their famipes.
Example Engpsh sentences:
"Wishing you a happy and blessed Mother's Day."
"Thank you for always being there for me, Mom. Happy Mother's Day."
"I'm so grateful to have you as my mother. Happy Mother's Day!"
翻译：
"祝您母亲节快乐，幸福与祝福伴随左右。"
"感谢您一直陪伴我，妈妈。母亲节快乐。"
"我很庆幸拥有您作为我的母亲。母亲节快乐！"