bone/bon; bəʊn/n [C,U] 1 one of the hard parts that form the frame of the body 骨(头): Sam broke a bone in his foot. 山姆脚部骨折。hip/thigh/cheek etc bone She was so thin her hip bones stuck out. 她瘦得髋骨都突出了。fragments of bone 骨碎片2 the bare bones (of sth) the most basic and important details of something(某事的)最基本的内容﹔梗概3 make no bones about (doing) sth to say or do something in an open way, because you are not ashamed about it 对(做)某事毫不犹豫[毫无顾忌]: She makes no bones about her ambitions. 她毫不隐讳自己的野心。4 a bone of contention something that causes arguments 争执的原因