2 sentences

1. 他在回答时语带迟疑，显然心中有鬼。

   tā zài huí​dá shí yǔ dài chí​yí, xiǎn​rán xīn​zhōng yǒu guǐ.

   His tone was hesitant when he answered, clearly indicating he had something to hide.

   Source: Dong Chinese Dictionary

2. 他迟疑了一下，最终还是拒绝了邀请。

   tā chí​yí le yī​xià, zuì​zhōng hái​shi jù​jué le yāo​qǐng.

   He hesitated for a moment and eventually turned down the invitation.

   Source: Dong Chinese Dictionary