1To roll something (to set something in motion by rolling); to wheel or trundle (e.g. push a cart, roll a ball); colloquially, to drive (a car).
子供たちが公園でボールを転がして遊んでいる。
Children are playing in the park, rolling a ball around.
重い箱を台車に載せて転がした。
I put the heavy box on a dolly and rolled it.
彼は新しい車を転がしてどこにでも出かけるのが好きだ。
He likes driving his new car everywhere.
2To turn over, tip over, or throw something down (causing it to roll or fall).
犬が大きなゴミ箱を転がして中身を散らしてしまった。
The dog tipped over a large trash can and scattered its contents.
子どもが積み木をわざと転がして遊んでいる。
A child is deliberately knocking over the building blocks to play.
3To leave something lying about or leave it where it is (colloquial usage).
彼は荷物を廊下に転がしておいたままだ。
He left his luggage lying in the hallway.
工具が作業場に転がしてあって、歩きにくい。
Tools are left scattered around the workshop, making it hard to walk.
4To buy and sell quickly for profit; to flip goods or assets for a quick gain.
彼は安く仕入れた商品を転がして利益を上げている。
He buys goods cheaply and flips them for a profit.
株を短期で転がす投資家が増えている。
There are more investors who flip stocks in the short term.