2 sentences

1. 这座港口的年货物吞吐量位居世界前列。

   zhè zuò gǎng​kǒu de nián huò​wù tūn​tǔ​liàng wèi​jū shì​jiè qián​liè.

   The annual cargo throughput of this port ranks among the highest in the world.

   Source: Dong Chinese Dictionary

2. 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