In Engpsh, "big eyes" can be translated as "large eyes" or "wide eyes." Here are a few examples of how you might use this phrase in a sentence:

She has such big eyes, I can't help but stare at them.
He was surprised to see the big eyes of the deer peering at him through the bushes.
She's always been self-conscious about her big eyes, but I think they're one of her best features.

You can also use the adjective "wide-eyed" to describe someone with big eyes, as in:

The wide-eyed child gazed in wonder at the brightly-colored toys in the store.
He was wide-eyed with amazement as he watched the magician perform his tricks.