选拔: to select the best...
意想不到: unexpected, previously unimagined...
成绩: achievement, performance records, grades...
界定: definition, to delimit...
中华: China (alternate formal name)...
收支: cash flow, financial balance, income and expenditure...
指挥: to conduct, to command, to direct, conductor (of an orchestra)...
民工: migrant worker (who moved from a rural area of China to a city to find work), temporary worker enlisted on a public project...
百分之: percent...
面目全非: nothing remains the same (idiom); change beyond recognition...
