slight hint

If one has a spark of the true belief in his nature, the prophet by his personality will benefit him by a slight hint.

Her eyes were a clear blue with a slight hint of gray, her skin healthy and freshly colored.

Didn't the slight hint of blue in the Japanese stand and the few perfect plates tell?

Some have thought that the poet received from his superiors only a slight hint or caution to be more careful in future.

But now, Jack, for a brief review of my present situation; and a slight hint or two of my precautions.