sinful
adjective /ˈsɪnfl/
/ˈsɪnfl/
(formal)- morally wrong or evil
synonym immoral不道德的;邪恶的 - sinful thoughts
邪恶的想法 - It is sinful to lie.
说谎是不道德的。 - (informal) It's sinful to waste good food!
浪费好好的食物是有罪的!
词源Old English synfull (see sin, -ful). - sinful thoughts