主心骨zhǔxīngǔ(～ㄦ{zhǔxīngǔr}) 1.可依靠的人或事物{backbone; mainstay; pillar}: 你来了,我可有了～了!{You have come, and now I have someone to depend on.} 2.主见;主意{definite view; one's own judgment}: 事情来得太突然,一时间我也没了～。{It happened suddenly, and for a moment I did not know what to do.}