go into hiding ( pt went ) , pp gone ⇒ 他怎么销声匿迹了？ Tā zěnme xiāo shēng nìjì le? → Why has he vanished from the scene?
藏匿
conceal
隐匿
( 隐瞒 ) cover ... up
销声匿迹
disappear from sight ⇒ 到了冬天,某些动物停止了活动,销声匿迹了。 Dàole dōngtiān, mǒu xiē dòngwù tíngzhǐle huódòng, xiāo shēng nì jì le. → When winter arrives, some animals cease being active and disappear from sight.