我十分赞同你的观点。

Wǒ shífēn zàntóng nǐde guāndiǎn.

I completely agree with your viewpoint.

我和你的政治观点相同。

Wǒ hé nǐde zhèngzhì guāndiǎn xiāngtóng.

You and I share the same political views.

他们各人都持有不同的观点。

Tāmen gèrén dōu chíyǒu bùtóng de guāndiǎn.

Each of them holds a different viewpoint.