母亲节快乐的英语是Happy Mother's Day!
英式音标：
[ˈhæpɪ] [ˈmʌðə(r)z] [deɪ]
美式音标：
[ˈhæpɪ] [ˈmʌðərz] [de]
例句：
I wish you a happy Mother's Day!
祝您母亲节快乐!
