锦上添花 (jǐn shàng tiān huā): [lit.] onto brocade — Meaning & Stroke Order

Your gift was already great enough; this bouquet of flowers is just adding to perfection.

The signing of this cooperation agreement undoubtedly adds to the strategic alliance between both parties.

He works very hard, this promotion is just the icing on the cake.

Do you think adding charts to the report would enhance the overall presentation?

He does not consider the extra bonus as adding to perfection; instead, he feels it is a deserved return.

Not only does she have excellent grades, but she also actively participates in club activities, which is truly the icing on the cake.

Although the project has been successfully completed, if we can receive positive feedback from the client, that would be adding to perfection.