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 think that you are better than someone
to suddenly feel or show great happiness
to have faith in your own ability or decision
to be based or operate from a specific place
to continue progressing with a positive attitude after diffi...
to indicate a direction or possible cause
