ailing

动词 ail:

1. be unwell, ill, or ill disposed
   同义词：ail
2. cause bodily suffering to and make sick or indisposed
   同义词：afflict, trouble, ail, pain

形容词 ailing:

1. somewhat ill or prone to illness
   同义词：indisposed, peaked, poorly, sickly, unwell, under the weather, seedy

1. The ailing old man kept puffing out a "Thank you" as I supported him home.
   当我扶着那个有病的老人回家时，他不断气吁吁地说“谢谢你”。
2. That child is ailing.
   小孩生病了。
3. Chronically ailing; sickly.
   体弱的慢性疼痛的; 易生病的