嘟噜 meaning in Chinese

[口语]
1.量词
(用于连成一簇的东西) bunch; cluster 短语和例子
2.(向下垂着; 成为一堆) hang down in a bunch
3.( 嘟噜儿) (连续颤动舌或小舌发音) trill 短语和例子

The old prince was unconscious ; he lay like a deformed corpse . he muttered incessantly , twitching his eyebrows and lips , and it was impossible to tell whether he understood his surroundings or not
老公爵昏迷不醒他像一具变了形的尸体躺卧着，他不停地嘟噜着什么，眼眉和嘴唇抽动着，不知道他是否了解他周围的一切。
This major , panting and puffing , grumbled angrily at every one for pushing against him , as he fancied , and for hurrying when there was no need of hurry , and for wondering when there was nothing to wonder at
少校喘息着，嘴里喷出热气，嘟噜着，对谁都生气，他觉得人人都在挤他，而他们在不忙着要去什么地方的时候，都在急急忙忙的，在没有什么事值得大惊小怪的时候，都在大惊小怪。