How to use "trace" in a sentence

There was, however, still a trace of beauty in the sixteen-year-old lace, like pale sunlight beneath the thick clouds of a winter's dawn

No one can trace it!"

Only a small trace of it can be detected

Only a skilled burglar could have broken in without leaving a trace

"Nice car," Tom said with an unmistakable trace of reverence in his voice

He sipped his beer and used one finger to wipe a trace of foam from his upper lip