不露痕迹 Without A Trace
不露痕迹的关怀 Uncle Elephant
真艺术不露人为的痕迹 Ars est celare
不易显露痕迹 not easy to show traces
他们也可能试图与被询问的事件和事件调查人保持距离，比如不露痕迹地挪开一些或者制造一些有形的或无形的障碍。
They may try to distance themselves both from the event in question and even others who probe the event, with subtle moves away and creation of physical and cognitive barriers.
其标准配置包括一个太阳能集热系统，它不露痕迹地与锌表层融为一体，以及一个拥有高效热泵的地热系统。
Its standard configuration includes a solar thermal system which is invisibly integrated into the zinc facade, as well as a geothermal system with a high-efficiency heat pump.
每个人一生中都会经常受魔鬼的试探，牠的试探总是很狡猾，不露痕迹的。
None of us will go through life without the constant, subtle, clever, craftiness of the tempter.
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