原先的计划被打乱了，我们只好重新安排时间。

Yuánxiān de jìhuà bèi dǎluàn le, wǒmen zhǐhǎo chóngxīn ānpái shíjiān.

Our original plan was disrupted, so we had to rearrange the time.

他原先在银行工作，后来决定辞职创业。

Tā yuánxiān zài yínháng gōngzuò, hòulái juédìng cízhí chuàngyè.

He originally worked in a bank, but later decided to quit and start his own business.

原先这里是一片农田，现在变成了高科技园区。

Yuánxiān zhèlǐ shì yí piàn nóngtián, xiànzài biànchéng le gāokējì yuánqū.

This used to be farmland, but now it has turned into a high‑tech park.