to become smaller in size or amount, or fewer in number減小;降低;減少
The community has dwindled to a tenth of its former size in the last two years.該社區在過去的兩年裏縮小到了原來的1/10。
Her hopes of success in the race dwindled last night as the weather became worse.随着昨晚天氣的惡化,她在比賽中獲勝的希望減小了。