shamefaced
adjective /ˌʃeɪmˈfeɪst/
/ˌʃeɪmˈfeɪst/
- feeling or looking ashamed because you have done something bad or stupid
synonym sheepish面带愧色的;羞惭的;惭愧的 - a shamefaced smile
惭愧的笑容 - She looked shamefaced.
她看上去面带愧色。
词源mid 16th cent. (in the sense ‘modest, shy’): alteration of archaic shamefast, by association with face. - a shamefaced smile