1·He glanced guiltily over his shoulder.
他内疚地向后瞥了一眼。
—— 《柯林斯英汉双解大词典》
2·When I asked him what he was doing, he smiled guiltily.
当我问他正在干什么时，他内疚地笑了。
3·When I asked him what he was doing, he smiled guiltily and then told me that he was playing computer games and begged me not to tell his parents.
当我问他正在干什么时，他内疚地笑了，然后乞求我别告诉他的父母这件事。
4·Divorced dads offer their condolences and mutter guiltily that being a stepmother is "the most thankless task in the world".
离异父亲提供他们的慰问和内疚地咕哝着，作为一个继母是“世界上最吃力不讨好”。