Meanings

national interests and the people's welfare

national interests

interest in arrears

gravel path

default interest

greedy person

greedy person

sharp sword

irrigation works

interest-bearing bond

one's dominant foot

society based on mutual self-interest

intelligence

sharp or blunt

benefitting the enemy

interest equalization tax

decrease in interest rates

altruism

effective spot (e.g. in acupuncture)

self interest