东北虎的英文：
Siberian tiger
Amur tiger
Panthera tigris altaica

She was hardened by the rigours of the Siberian steppes.
西伯利亚大草原的艰苦环境使她变得坚强起来。

East Siberian Sea:an arm of the arctic Ocean extending from Wrangel Island to the New Siberian Islands.

siberian villages present a cheerful image in defiance of the harsh climate.
西伯利亚农村尽管气候严寒，却呈现令人欢悦的景象。

To act as guide to a tiger
为虎作伥

Tyranny is fiercer than a tiger.
苛政猛如虎。

Newborn calves are not afraid of tigers.
初生牛犊不怕虎。