姜还是老的辣

1. • ginger gets spicier as it gets older (idiom)
2. • the older, the wiser

Character by character

• 姜(jiāng)surname Jiang
• 还(hái)still
• 是(shì)be
• 老(lǎo)prefix used before the surname of a person or a numeral indicating the order of birth of the children in a family or to indicate affection or familiarity
• 的(de)marks possession and modification
• 辣(là)hot