垫底

HSK 7-9

diàndǐ

finish last; be at the bottom of the ranking

to eat sth to tide oneself over until mealtime; to lay the foundation; to come last in the rankings

他把这件事放在最后处理。

Tā bǎ zhè jiàn shì zài hòu fá lǐshì.

This project is the foundation of the entire plan

这个项目是整个计划的基础。

Zhège xiàngmù shì zěnme yīgè huàlán de jièchǔ.

To establish a base