他一直默默无闻。
He has been unknown all along.
(idiom) unknown; unrenowned
Every character draws itself, stroke by stroke. Then grab the brush: trace it yourself and hear the word when you finish.
Nice writing!
Chinese words snap together like bricks. Every word below shares a character with this one, so you are already halfway to knowing it.
他一直默默无闻。
He has been unknown all along.
他是默默无闻的英雄。
He is an unknown hero.