铆劲儿 Traditional form: 鉚勁兒 Pinyin (reading): mǎojìnr Definitions: to apply all one's strength in a burst of effort Characters: 铆 - rivet 劲 - strong, tough, unyielding; power, energy 儿 - son, child Traditional characters: 鉚 - rivet 勁 - strong, tough, unyielding; power, energy 兒 - son, child