老謀深算

1. • rigorous schemes and deep foresight (idiom) astute and circumspect

Character by character

• 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
• 謀(móu)plan
• 深(shēn)deep
• 算(suàn)calculate