How do you say Happy mother's day in mandarin Chinese?

In Mandarin Chinese, you say "Happy Mother's Day" as "母亲节快乐" (mǔqīn jié kuàilè). The term "母亲" (mǔqīn) means "mother," "节" (jié) means "festival" or "day," and "快乐" (kuàilè) means "happy." So, it directly translates to "Happy Mother's Day."