2 sentences

1. 他一直进行举重训练以增强体力。

   tā yī​zhí jìn​xíng jǔ zhòng xùn​liàn yǐ zēng​qiáng tǐ​lì.

   He has been doing weight-training to build up his strength.

   Source: AI Challenger 2017

2. 为了达到最佳效果，你应该每隔一天交替练习瑜伽和举重。

   wèi​le dá dào zuì​jiā xiào​guǒ, nǐ yīng​gāi měi​gé yī​tiān jiāo​tì liàn​xí yú​jiā hé jǔ zhòng.

   For the best results, you should alternate between yoga and weightlifting every other day.

   Source: UM-Corpus: Education