Warren Buffett, rivet

 鉚  卯,榫〖mortise〗一铆顶一楔。——中国谚语〖rivet〗。如:风动铆;对接铆  [方言]∶集中全力 use every ounce of one's energy〗 铆劲儿mǎojìnr〖make a sudden all-out effort〗