1, a single spark can start a prairie fire: a single spark can start a prairie fire in a large area of Yuan Ye. Metaphor is a new thing, which is small at first, but has great development prospects;

2. A levee of a thousand miles collapses in an ant nest: Metaphorically, if you don't pay attention to small things, it will lead to great disasters, or if you don't pay attention to small things, it will cause serious losses.

Although the weight is very small, it seems that a small piece of weight can hold down the weight of 1000 kilograms. Metaphor is inconspicuous in appearance, but it is actually very useful.

Above, for reference!