be advanced in age and poor in health;get old and infirm [weak] ;
She's old and infirm and has to keep to the house.
她因年老体弱而足不出户.
There seats will be appreciated by the aged and infirm.
请给年老体弱的乘客让座.
He told them he was old and feeble and was not able to walk so far.
他告诉他们,他年老体弱,不能走那么远。
The old woman was suffering from age and infirmity.
那个老妇人受年老体弱之苦.
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