就是说

tā men qǐng tā zǒu rén yě jiù shì shuō tā bèi jiě gù le

他们请她走人，也就是说，她被解雇了。

They asked her to leave. In other words, she was fired.

tā shì gè piàn zi jiù shì shuō shì gè guàn tōu

她是个骗子，就是说，是个惯偷。

He is a fraud, a common thief, in other words.