When they attain puberty, the tips of the hair begin to turn white.

The tip of steel began to inch nearer his throat.

The tip of his tongue began to tease her ear.

The tips of the tongs are just beginning to get yellow with heat.

Still, the tip of political e-commerce is beginning to poke up through the Web's surface.

The tips of some alders across the valley were just beginning to turn gold.

I could feel the tips of her fingers begin to probe the muscles on my back.

It would be more years before the tip touched the air and began the worst part of the job.

The tip of the cable began to descend toward Mars.