The London contemporary art market has become unadventurous, hidebound.伦敦现代艺术市场已变得因循守旧，故步自封。She never tries anything because she's terrified of failure.她故步自封，因为她害怕失败。The government can't rest on its laurels and must press ahead with major policy changes.政府不能故步自封，必须继续大刀阔斧地推行政策改革。