锦上添花

1. • to add flowers to brocade (idiom)

     lit.

2. • to make sth good even better to add an extra (often nonessential) benefit or embellishment

     fig.

Character by character

• 锦(jǐn)brocade
• 上(shàng)up
• 添(tiān)add
• 花(huā)surname Hua