3 sentences for 嚕 (lū)

1. 他说话太噜苏了。

   tā shuō​huà tài lū sū le.

   He is too long-winded.

   Source: Dong Chinese Dictionary

2. 你就别在那儿一直噜苏了，大家听得都烦了。

   nǐ jiù bié zài nà​r yī​zhí lū sū le, dà​jiā tīng de dōu fán le.

   Stop rambling on over there; everyone is getting tired of hearing it.

   Source: Dong Chinese Dictionary

3. 他嘴里一直在嘟噜着什么，显然很不满。

   tā zuǐ lǐ yī​zhí zài dū lū zhe shén​me, xiǎn​rán hěn bù​mǎn.

   He kept muttering something under his breath, clearly very dissatisfied.

   Source: Dong Chinese Dictionary