Expression¡RShoes
¡i©ú³ø±M°T¡j¡»On a shoestring
If you do something on a shoestring, you do it without spending much money.
e.g. He lived on a shoestring for years until he got a good-paying job.
¡»Step into someone's shoes
Take control of a task or job from another person.
e.g. The young man has been trained to step into his father's shoes when he retires.
¡»(As) tough as old boots
Very strong, and not easily made weaker.
e.g. He might be in his eighties but he's tough as old boots.
[Smarties' Power English ²Ä237´Á]