释义
reveal one's real character or intentions, especially when these are disreputable or dishonourable
露出真面目；露出真正的本性（或意图）。
双语例句
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When all be all set, virus with respect to show one's true colours, begin to play an advertisement window ceaselessly, the operation that records next users and online habit.
当一切准备就绪，病毒就原形毕露，开始不断的弹出广告窗口，并记录下用户的操作和上网习惯。