3 sentences

1. 我的心脏太虚弱了，不能跑动。

   wǒ​de xīn​zàng tài xū​ruò le, bù​néng pǎo​dòng.

   My heart is too weak to run.

   Source: AI Challenger 2017

2. 那人太虚弱了，不得不拄着拐杖走路。

   nà rén tài xū​ruò le, bù​dé​bù zhǔ zhe guǎi​zhàng zǒu lù.

   The man was so weak that he had to walk with a cane.

   Source: UM-Corpus: Education

3. 他仍然太虚弱，不能开车，所以我开车带他去一个购物中心的咖啡厅。

   tā réng​rán tài xū​ruò, bù​néng kāi chē, suǒ​yǐ wǒ kāi chē dài tā qu yī​ge gòu​wù​zhōng​xīn de kā​fēi​tīng.

   He was still too weak to drive, so I drove him to a café in a shopping mall.

   Source: CCMatrix