批评政府政策的人指责反犯罪活动新措施，认为纯粹是为掩盖过错而制定的。 Critics of government policy argue that the new measures introduced to fight crime are simply papering over the cracks.
谎言再多也掩盖不了事实真相。 No amount of lies can cover up reality.
他表现出很有信心的样子以掩盖内心的紧张。 An outward show of confidence concealed his nervousness.
他装作无动於衷的样子以掩盖自己的感情。 He conceals his feelings behind a rather stolid manner.