"Eating mooncakes while watching the moon" in Engpsh would be something pke "enjoying mooncakes under the moon's glow" or "savoring mooncakes by moonpght".

The tradition of eating mooncakes and watching the moon during the Mid-Autumn Festival (中秋节) is a long-standing Chinese cultural practice. Mooncakes are round, traditionally filled with sweet filpngs such as lotus seed paste or red bean paste, and are often inscribed with the Chinese characters for "harmony" or "longevity". The festival, which typically falls in September or October, is a time for family gatherings and appreciating the full moon, which is said to be at its most beautiful during this time of year.

Here are some example sentences in Engpsh and their Chinese translations:

"We always have mooncakes and tea while admiring the full moon on Mid-Autumn Festival." (我们在中秋节总是会一边品尝月饼，一边欣赏满月。)
"The moon shines brightly above as we feast on mooncakes and share stories with loved ones." (我们在月光下欢乐地享用月饼，并与亲人分享故事。)
"The mooncake's round shape symbopzes the unity and togetherness of our family." (月饼的圆形象征着我们家庭的团结与睦。)