有些事情我不方便多说，总之你自己小心吧。

Yǒuxiē shìqíng wǒ bù fāngbiàn duō shuō, zǒngzhī nǐ zìjǐ xiǎoxīn ba.

There are some things I can’t really say too much about; anyway, be careful.

昨天我和朋友逛街、看电影，总之玩得很开心。

Zuótiān wǒ hé péngyǒu guàngjiē, kàn diànyǐng, zǒngzhī wándé hěn kāixīn.

Yesterday, I went shopping and watched a movie with my friends. In short, we had a great time.

这个问题很复杂，总之我们要做出一个决定。

Zhège wèntí hěn fùzá, zǒngzhī wǒmen yào zuòchū yīgè juédìng.

This problem is complicated, in short, we need to make a decision.