growl
单词辨析：
主要指狗、狐、松鼠等吠、叫；除此之外，还可以指人发出短促清脆的轰响。
The black dog barked at a stranger.
那条黑狗对着一个陌生人叫。
The girls barked with laughter.
女孩子们哄然大笑。
指狗或狼连续不断地叫，声音低沉，尤指在追捕猎物时狂叫。
Dogs bayed at the moon.
狗对着月亮狂吠。
The hounds were baying as they followed the escaped prisoner.
警犬一边叫一边追逃犯。
指狗高声吠叫，作此义解时常可与 bark 换用；也可指狗等动物低声吼叫。
The dog growled/barked at the stranger.
狗朝着那个陌生人狂吠。
Her dog growled at me.
她的狗冲我低声吼叫。
指狗等动物发怒时从牙齿间低声发出吼叫，常可与 growl 换用。
The dog snarled/growled at me.
这条狗对着我龇牙咧嘴地狂叫。
The dog never snarled/growled unless it was mistreated.
除非受到了虐待，这只狗从不发怒。
相关例句：
Then we hear a louder growl.
然后我们听到了一声更大的咆哮。
The dog was angry and growl at the stranger.
狗是生气，咆哮在陌生人。
She has taught her dog to growl at strangers.
她教她的狗向陌生人狂吠。
Now I growl when I'm pleased, and wag my tail when I'm angry.
可是我，却是高兴时就咆哮，生气时就摇尾巴。
I heard, as if from underwater, the final growl of the hunter.
仿佛置身在水底，我听到了猎食者的最后一声咆哮。
The bear advanced clumsily a couple of steps, reared up, and gave vent to a tentative growl.
它笨拙地向前挪了两步，站直了，发出试探性的咆哮。