The lion is the king of the jungle.

狮子是丛林之王。

《牛津词典》

The tiger's home is in the jungle.

老虎栖息在丛林里。

《牛津词典》

We decided to go deeper into the jungle.

我们决定继续深入丛林。

《牛津词典》

The expression probably began because the jungle is filled with wild animals and unknown dangers that threaten people.

VOA: special.2010.05.16

And we are going to be doing a lot of hiking in the jungle.

我们会在丛林里做许多徒步旅行。

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People in business have to be careful if they are to survive the jungle out there.

VOA: special.2010.05.16

Now, in the jungle gloom of my Siem Reap hotel room, a glimmer of understanding grew.

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The taxi materialised from the jungle at exactly the right moment, having followed me at a safe distance.

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The state has had to build roads to remote migrant outposts in the jungle.

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