tough

他最近工作一直很艰难。

He's had a ___tough time at work recently.

我们不得不做出一些艰难的决定。

We've had to make some ___tough decisions.

无家可归的人们正面临一个艰难的冬天。

Homeless people are facing a ___tough winter.

要在竞争激烈的商业世界中生存，你需要意志坚强。

You need to be ___tough to survive in the competitive world of business.

这本书讲述了一个永不放弃的、意志坚强的渔民的故事。

The book tells the story of a ___tough fisherman who never gives up.

尽管面临许多个人挫折，她仍然非常坚强，并专注于自己的目标。

Despite facing many personal setbacks, she remained remarkably ___tough and focused on her goals.

这块牛排非常难嚼。

This steak is very ___tough.

猪排硬得像旧靴子。

The pork chop was as ___tough as old boots.

一些蔬菜煮过头会变硬。

Some vegetables become ___tough when overcooked.