v.吼叫；咆哮

n.吼声；咆哮；轰鸣；喧闹

He could only roar in a gruff voice. 他仅能以沙哑的声音吼叫着。

In the picture, the dragons and tigers won't roar. 图画里,龙不吟虎不啸（小小书僮可笑可笑）。

We roar all like bears, and mourn sore like doves: we look for judgment, but there is none; for salvation, but it is far off from us. 我们咆哮如熊，哀呜如鸽。指望公平，却是没有。指望救恩，却远离我们。

He roared with pain. 他疼得大叫起来。

The roar of the train reverberated in the tunnel. 火车的轰隆声在隧道里回荡。

The murmur swelled into a roar. 窃窃私语的声音变大形成一片喧哗。

The whole room rang with a roar. 咆哮声回荡在整个房间里。

A sudden roar came from the expectant crowd. 期待的人群中突然发出一声咆哮。

The cataract deafened the ear with its roar. 瀑布的声音震耳欲聋。

roar指人或动物在表达各种情感时发出低沉、嘶哑、拉长的叫喊声,含有“吼”“咆哮”“狂笑”的意味。还可表示“轰鸣地驶过或飞过”。

roar用作及物动词时,接名词、代词、that从句作宾语,也可接“oneself+ adj. ”构成的复合宾语。可用于被动结构。用作不及物动词时,常跟副词down, out或介词at, with连用。

roar at后接表示人的名词时,意思是“对…大声喊叫”; 接表示物的名词时,作“因…大笑”解。

roar还可用作名词,意为“吼叫声”。例如:She was frightened by the roars of a lion.她被狮子的吼叫声吓呆了。