Meanings of gets thin in English

It gets thin, but again, the prospect class is strong.

When the ice gets thin, brittle or just tricky, however, go with vertically oriented points.

If too fat, she is not pretty-andshe is miserable until, through self-control ,shegets thin.

Your blood gets thin when you have nothing to do but hope against hope and think of your pals and the old days.

But at this point, the practical distinction between 'certain' and 'extremely probable' gets thin enough you just have to take it as a given.