4 sentences

1. 这个问题迟迟没有得到解决。

   zhè gè wèn​tí chí​chí méi​yǒu dé​dào jiě​jué.

   This problem has long remained unresolved.

   Source: Dong Chinese Dictionary

2. 他迟迟未到，想来是路上耽搁了。

   tā chí​chí wèi dào, xiǎng​lái shì lù​shang dān​ge le.

   He hasn't arrived yet; I suppose he was delayed on the way.

   Source: Dong Chinese Dictionary

3. 他在两个工作机会之间摇摆不定，迟迟无法做出决定。

   tā zài liǎng gè gōng​zuò jī​huì zhī​jiān yáo​bǎi​bù​dìng, chí​chí wú​fǎ zuò​chū jué​dìng.

   He is wavering between two job opportunities and can't seem to make a decision.

   Source: Dong Chinese Dictionary

4. 等了整整一个小时，那辆公交车依然迟迟不来。

   děng le zhěng​zhěng yī gè xiǎo​shí, nà liàng gōng​jiāo​chē yī​rán chí​chí bù lái.

   After waiting for a full hour, the bus still showed no signs of arriving.

   Source: Dong Chinese Dictionary