great success; huge success
Used for a major achievement, a big hit, or a resounding success in any field.
彼の新作映画は大成功を収めた。
His new film was a huge success.
イベントは大成功に終わった。
The event ended in great success.
He achieved great success in business.
This year's project ended in great success.
The new product's launch event was a great success.