Now, the big, wide world holds all sorts of challenges for these brave, young explorers.如今，对于这些勇敢的小小探险家来说广阔的世界充满各种挑战

all sorts of:各种各样的

All sorts of problems assailed us suddenly.

我们突然遇到各种各样的难题。

He associates with all sorts of people.

他与各种各样的人交往。

The mother leads her new family out over the frozen sea to hunt for seals.熊妈妈带领新家庭来到冰冻的海面上捕猎海豹

hunt for:搜寻；寻找

John set out that day to hunt for work.

约翰那天外出找工作。

Davy liked to hunt for bears best of all.

大卫最喜欢猎熊了。

But the spring melt is already under way.但春季的冰雪消融已悄然而至

under way:在进行中

Preparations for a big celebration were under way.

盛大庆祝的准备工作正在进行中。

He gave his consent for the project to get under way.

他同意将这个计划付诸实施。