3 sentences

1. 杠杆绕着支点转动。

   gàng​gǎn rào zhe zhī​diǎn zhuǎn​dòng.

   The lever rotates around the fulcrum.

   Source: Dong Chinese Dictionary

2. 他利用杠杆原理轻松地举起了那块巨石。

   tā lì​yòng gàng​gǎn yuán​lǐ qīng​sōng de jǔ​qǐ le nà kuài jù​shí.

   He used the principle of leverage to easily lift that huge rock.

   Source: Dong Chinese Dictionary

3. 高杠杆投资虽然收益高，但风险也很大。

   gāo gàng​gǎn tóu​zī suī​rán shōu​yì gāo, dàn fēng​xiǎn yě hěn dà.

   Although high-leverage investments offer high returns, they also carry great risks.

   Source: Dong Chinese Dictionary