bone i·dle
adjective/ˌbəʊn ˈaɪdl/
/ˌbəʊn ˈaɪdl/
(old-fashioned, British English, informal)- very lazy
懒透了的 - She never lifts a finger to help. She's bone idle.
她连动动手指帮个忙都从来不做，她就是个懒骨头。
Word Originearly 19th cent.: expressing idle through to the bone. - She never lifts a finger to help. She's bone idle.