消声匿影

Explanation: Private speech, not Chutoulumian. Described as hidden, no longer appears. 　　Source: Phrase from the "arts class together" Volume Six Zhou G letter cited "negative salary May Phi painting fur like" birds nest like much, but deep cave fish, muffler off track, why the mountains! " 　　Examples: Not instant, ~, to the heyday of today and previous years, see carry elusive recovery. ★ Liang, "the general trend of European geography"