kuài yào
铅笔快要用完了，再买几支去
qiān bǐ kuài yào yòng wán le, zài mǎi jǐ zhī qù
The pencils are almost used up, go buy a few more
国庆节快要到了
guó qìng jié kuài yào dào le
National Day is coming soon
她长得快要跟妈妈一样高了。
tā zhǎng de kuài yào gēn mā ma yī yàng gāo le
She has grown almost as tall as her mother