匿 (w)

(nì) to hide

匿名 (w)

(nìmíng) anonymous

匿报 (w)

(nìbào) to withhold information

匿影藏形 (w)

(nìyǐngcángxíng) to hide from public view; to conceal one's identity; to lay low

匿迹 (w)

(nìjì) to go into hiding