What is the translation of " WAS A CHALLENGE " in Chinese?

• 是一个挑战
• 就是一个挑战
• 都是一个挑战
• 是一种挑战
• 为了一个挑战
• 挑战
• 也是一个挑战

Examples of using Was a challenge in English and their translations into Chinese

His smile was a challenge.
微笑是一种挑战.

It was a challenge, almost too much.
这是挑战，更是很多。

Her smile was a challenge.
微笑是一种挑战.

It was a challenge for firefighters.
这将对消防员构成挑战。

The script was a challenge.
但，剧本是个挑战。

It was a challenge until we knew.
我们可以在挑战中挑战，直到我们发现了。

The learning was a challenge.
学习是一种挑战。

That was a challenge but it also presented an opportunity for rejuvenating the Organization.
这既是挑战又是使本组织恢复活力的机遇。

The cold was a challenge.
寒冷又是一个挑战。

But to us it was not impossible: it was a challenge.
但是我们没有这样做，这是一种挑战。

This task was a challenge, but successfully completed.
这挑战是个挑战，但成功成功了。

First semester was a challenge.
但是第一季有个挑战。

After my rectal cancer surgery, walking was a challenge.
在我进行完直肠癌手术后，步行对于我来说就是一个挑战。

The teaching was a challenge.
教学带来了挑战。

The sheer size of the project was a challenge.
例如，项目规模之大就是一个挑战。

Everything in life was a challenge to him.
生活中的一切对她来说都是一个挑战。

More than 85 percent said domestic competition was a challenge.
超过85%的受访者认为国内竞争是个挑战。

Learning English was a challenge.
学英语是个挑战?

Just getting access to users was a challenge.
获取用户是挑战。

The“together” part was a challenge.
在一起”是一项挑战。

The physical and mental stamina required for each day was a challenge in itself.
每天需要的体力和精力本身就是一个挑战。

Building the aircraft was a challenge in itself.
然而，对于自建机场本身就是一个挑战。

At first, I thought it was a challenge.
首先，我以为这是个挑战。

My last girlfriend was a challenge.
我的女朋友是个挑战。

Speaking English was a challenge,….
英语对我来说就是一个挑战….

Before WHA, school was a challenge.
作为INFP，学校一直是一个挑战。

Taking a shower was a challenge.
没有淋浴这是一个挑战。

Finding the right people was a challenge.
寻找合适的人确实是个挑战。

The first half of the year was a challenge.
今年上半年，这些都是挑战。

To give it up for a month was a challenge.
要度过一个月却是一个挑战。