Only one thing marred our new role in the code war.

Only one thing marred the evening for her.

So many things happened to these kids, and marred their lives forever, and there's no rational way to explain it.

Yes, earth and many other things, knowledge, skill, strength, all innocent until use mars them.

Only one thing had marred the victory.

Only one thing marred the final leg; Sam was in trouble.

Only one thing marred his success: he had not yet had the' courage to offer his bracelet to a girl.

One thing only marred the design of Manwë.

Only two things marred an otherwise perfect afternoon.

But one thing grievously marred his triumph, and great was his wrath when he thought of it.