bust one's ass

bust one's ass bust one's tail bust one's balls 是什么意思 burst one's ass up one's own ass的意思 kick one's ass 是嘛意思 "kiss one's ass"什么意思? Every day I work,I bust my ass so my family can live well. kick sb.'s ass Matlab Simulink中的 S函数报错,One or more output arguments not ass women kick men's ass. got sb's ass kicked