1.growl的基本含义是“吼”,可指狗等发怒时“嚎叫”、雷声等“轰鸣”,也可指人“咆哮着说”,指因某事而发怒以至说话时非常激动。
2.growl多用作不及物动词,也可用作及物动词,用作不及物动词时,后接抽象名词或that引导的从句作宾语。也可引出直接引语。

growl out(v.+adv.)
以低沉的声音说 speak in a deep voice
▲growl sth ⇔ out
The guard growled out a warning, threatening the prisoners with his gun.看守吼了一声警告,并用枪威胁囚犯们。

用作不及物动词
▲S+～(+A)
The thunder is growling.雷声隆隆。
His stomach growled.他饥肠辘辘。
The dog was angry and growled at me.那狗发怒向我咆哮着。
She growled at her husband.她向她丈夫吼叫。
用作及物动词
▲S+～+n./pron.
He growled his answer.他咆哮似地回答。
He growled his disapproval.他怒声提出反抗。
He growled a few words.他粗暴地吼了几句。
▲S+～+that-clause
He growled that he would be late.他怒气冲冲地说他要迟到了。
▲引出直接引语
“Come here,” I growled.“过来!”我怒气冲冲地说。