体弱多病

例句：

1. 1. He has been feeling quiteweak recently.
   他最近一直感觉身体很虚弱。
2. 2. She is always frail and easilygets colds.
   她总是身体虚弱，很容易感冒。
3. 3. The old man was sicklyand could hardly walk.
   那位老人身体虚弱，几乎走不动路。