3 sentences

1. 请你自重，不要在这里胡言乱语。

   qǐng nǐ zì​zhòng, bù yào zài zhè​lǐ hú​yán​luàn​yǔ.

   Please have some self-respect and stop talking nonsense here.

   Source: Dong Chinese Dictionary

2. 这台机器的自重约为两百公斤。

   zhè tái jī​qì de zì​zhòng yuē wéi liǎng​bǎi gōng​jīn.

   The unladen weight of this machine is about 200 kilograms.

   Source: Dong Chinese Dictionary

3. 将军拥兵自重，拒不听从朝廷的调遣。

   jiāng​jūn yōng bīng zì​zhòng, jù​bù tīng​cóng cháo​tíng de diào​qiǎn.

   The general, relying on his large army, refused to follow the imperial court's orders.

   Source: Dong Chinese Dictionary