The noun 新娘 (xīnniáng) means "bride," referring to a woman on her wedding day or who has recently been married. It is one of the most common words for "bride" in both spoken and written Chinese. The corresponding word for "groom" is 新郎.
新娘穿着一身红色的婚纱,特别漂亮。
Xīnniáng chuānzhe yì shēn hóngsè de hūnshā, tèbié piàoliang.
The bride wore a red wedding dress and looked especially beautiful.
新娘和新郎一起向来宾敬酒。
Xīnniáng hé xīnláng yìqǐ xiàng láibīn jìngjiǔ.
The bride and groom toasted the guests together.
今天的新娘是我大学时最好的朋友。
Jīntiān de xīnniáng shì wǒ dàxué shí zuì hǎo de péngyǒu.
Today's bride is my best friend from college.