眉开眼笑 (méi kāi yǎn xiào): brows raised in delight

The children couldn't wait to open the gifts; seeing their favorite toys, they were all beaming with joy.

When Grandma Wang heard that her granddaughter had been admitted to a prestigious university, she was overjoyed and repeatedly praised her for being promising.

When the boss announced that this year's year-end bonus would be doubled, the colleagues immediately lit up with joy, clapping and cheering.

When Grandpa saw his son, who had been away from home for years, suddenly return, he instantly beamed with joy and hugged him tightly.

Xiaoming received an admission letter from his dream university; the whole family beamed with joy upon seeing it, immersed in happiness.