1. His respiration grew fainter throughout the day. 一天当中,他的呼吸越来越微弱。
2. We could hear their voices growing fainter as they walked down the road. 他们沿路走远时我们听见他们的说话声逐渐模糊。
3. Its parent star is a red dwarf--a far smaller and fainter object than the sun. 其母体恒星就像是一个红色的小矮人——比起太阳来实在是又小又模糊。
4. If the young Sun was much fainter and cooler than the Sun today, liquid water couldn't have existed on either planet. 如果早期的太阳比现在的太阳暗淡,也没有现在这么炙热的话,那么液态水就不可能在这两个星球上存在。