lean on a crutch

Translations
опираться на костыль
After the accident, he had to lean on a crutch to walk.
После аварии ему пришлось опираться на костыль, чтобы ходить.
Definitions
To rely on a support system or external aid for assistance, often used metaphorically to describe depending on something or someone for help or stability.
Words
lean

verb
опираться
on

preposition
на
a

article or possessive pronoun
неопределённый артикль
crutch

noun
костыль