Shamefacedly tells you how someone does a thing: with a face and manner that show they feel they have done wrong. They admit, smile, shuffle in, or hand something over in that small, sorry way. It does not describe the person as a type; it describes the manner of one action. The word is a little formal and a little old-fashioned — more in writing than in speech. In talk, people more often say looking ashamed or with an embarrassed smile. Though actually, the -edly ending makes it look heavier than it feels when you say it: shame-faced-ly, the middle part like faced.

羞愧地、不好意思地