3 sentences

1. 只有共同努力，我们才能继续前进。

   zhǐ​yǒu gòng​tóng nǔ lì, wǒ​men cái​néng jì​xù qián​jìn.

   Only through working together can we move forward.

   Source: CCMatrix

2. 通过共同努力，我们可以挽救生命。

   tōng​guò gòng​tóng nǔ lì, wǒ​men kě​yǐ wǎn jiù shēng​mìng.

   By working together, we can save lives.

   Source: CCMatrix

3. 学生参加许多活动，学会共同努力实现共同目标。

   xué​sheng cān​jiā xǔ​duō huó​dòng, xué huì gòng​tóng nǔ lì shí​xiàn gòng​tóng mù​biāo.

   Students participate in many activities and learn to work together to achieve common goals.

   Source: CCMatrix