早已 (zǎo yǐ): For a long time (Adverb) — Meaning & Stroke Order

He had already figured out this problem a long time ago.

For him, working late into the night has become a common occurrence, and he has long grown accustomed to this busy pace of life.

His artistic achievements have long transcended the limitations of national borders.

He has long been indifferent to fame and fortune, focusing instead on inner peace.

He is no longer the naive and innocent boy of former days.

He had long seen through the meticulously designed business trap set by his opponent.

He did not try to save that long-broken friendship.

On the battlefield, soldiers have long since disregarded life and death.

Could it be that you have long understood the whole story from beginning to end?