noun, noun or participle which takes 'suru'
concealing one's true self; hiding one's abilities or intentions
A formal, literary yojijukugo for deliberately obscuring one's talents, status, or motives, often to avoid attention or conflict. Used as a noun or with する.
彼は自己韜晦して、周囲に実力を悟られないようにしている。
He conceals his true abilities so that those around him do not realize his real strength.
His attitude of hiding his true self ended up attracting people's curiosity instead.