shoestring

noun

(chiefly US) The string or lace used to secure a shoe to the foot; a shoelace. / An object that is long and thin, like a shoestring (sense 1).

I started my business with just a shoestring.

意味（1）

(chiefly US) The string or lace used to secure a shoe to the foot; a shoelace.

Your shoestring is untied.

意味（2）

An object that is long and thin, like a shoestring (sense 1).

意味（3）

Chiefly in on a shoestring: very little money; a tight budget.

He was able to organize the event on a shoestring.