自从

zì cóng cān jiā le tǐ yù duàn liàn wǒ shēn tǐ qiáng jiàn duō le

自从参加了体育锻炼，我身体强健多了。

I have become much stronger and healthier since joining in physical training.

zì cóng qù nián qǐ tā wèi huí guo jiā

自从去年起，他未回过家。

He hasn't been home since last year.

zì cóng tā lái hòu bàn gōng shì jiù gān jìng duō le

自从他来后，办公室就干净多了。

The office has become cleaner since he came.

zì cóng qù nián qiū tiān

自从去年秋天

since last fall

zì cóng shí xíng xīn de guǎn lǐ zhì dù zhè ge chǎng de shēng chǎn yǒu le dà fā zhǎn

自从实行新的管理制度，这个厂的生产有了大发展。

Since the new management system was put into effect, the production of this factory has increased tremendously.

zì cóng chǒu wén chuán chū bù zhǎng jiù jù jué jiē shòu cǎi fǎng

自从丑闻传出，部长就拒绝接受采访。

The minister has refused to give any interviews since the scandal broke.