to start growing or improving rapidly
开始快速增长或改善 (kāishǐ kuàisù zēngzhǎng huò gǎishàn)
"After years of reform, the country's economy finally took off economically."
"经过多年的改革，国家的经济终于经济上起飞了。" (jīngguò duōnián de gǎigé, guójiā de jīngjì zhōngyú jīngjì shàng qǐfēi le.)
to stop making excuses and take responsibility
to cause prices to increase; to make costs rise
to become happier or more cheerful
to contact someone to express appreciation
to become physically fit and healthy through exercise
to investigate possibilities for growing the business abroad
