1 sentence for 起飞 (qǐ​fēi — boom)

1. 随着新政策的出台，当地经济开始起飞。

   suí​zhe xīn zhèng​cè de chū​tái, dāng​dì jīng​jì kāi​shǐ qǐ​fēi.

   With the introduction of the new policy, the local economy began to take off.

   Source: Dong Chinese Dictionary