in·firm
adjective/ɪnˈfɜːm/
/ɪnˈfɜːrm/
- ill and weak, especially over a long period or as a result of being old
（长期）病弱的；年老体弱的 - to grow old and infirm
年老体弱 - Father was becoming increasingly infirm.
父亲越来越衰弱。
Oxford Collocations Dictionaryverbs- be
- become
- mentally
- physically
- to grow old and infirm
- the infirmnoun [plural] people who are weak and ill for a long period
病弱的人；体弱的人 - care for the elderly and infirm
对年老体弱者的照顾
- care for the elderly and infirm
Word Originlate Middle English (in the general sense ‘weak, frail’): from Latin infirmus, from in- ‘not’ + firmus ‘firm’.