1 sentence

1. 他因为心里有所顾忌，说话总是吞吞吐吐的。

   tā yīn​wèi xīn​li yǒu​suǒ gù​jì, shuō​huà zǒng​shì tūn​tūn​tǔ​tǔ de.

   Because he had some misgivings, he always spoke hesitantly.

   Source: Dong Chinese Dictionary