他缺乏耐性。

Tā quēfá nàixìng.

He lacks patience.

你应该是因为缺乏休息而病倒了。

Nǐ yīnggāi shì yīnwèi quēfá xiūxi ér bìngdǎo le.

You probably got sick because you haven’t been getting enough rest.

学生缺乏注意力和学习动力。

Xuéshēng quēfá zhùyìlì hé xuéxí dònglì.

The students lack attention and motivation to study.