Increase energy levels so you can do more activities without becoming tired or short of breath.

But not to worry: the season is short, and becoming ever shorter.

When she was done, the list had become short.

Other creatures followed the same process of becoming short and mysterious.

The fact that the days were becoming shorter seemed entirely appropriate.

I must report, sir, that we are becoming very short of men.

There were some moments when he could touch it, but they became fewer and shorter.

The short nose and clear break became shorter and higher.

There was still so much to do, and Spock's time had just become oppressively short.

I heard the poor boy pant; his breathing became short and hurried.