天色开始变黑了，可见快要下雨了。

Tiānsè kāishǐ biàn hēi le, kějiàn kuài yào xiàyǔ le.

It’s starting to get dark, so it looks like it’s about to rain.

从他的行动中，可见他的诚意。

Cóng tā de xíngdòng zhōng, kějiàn tā de chéngyì.

His sincerity can be seen from his actions.

他连电话都忘记了拿，可见他很赶时间。

Tā lián diànhuà dōu wàngjì le ná, kějiàn tā hěn gǎn shíjiān.

He even forgot to take his phone, which shows he was in a real hurry.