Meanings of having no difficulty in English

I was having no difficulty perceiving my uncle.

But surprisingly, even though hundreds of filaments were already wrapping around his head and face, he was having no difficulty breathing.

The woman herself had been married for six years and had borne 4 children at full term, having no difficulty in labor.

The General Manager of Operations, Verdant Vista, was clearly having no difficulty at all imagining the maniac blowing up a ship carrying thousands of people.

The noon halt was a brief one, after which they pressed on, having no difficulty in finding their way as directed by their mysterious adviser.

Her stepmother suddenly became gracious,- havingno difficulty in explaining that she did so because of the altered position of things.