1. 挖出;掘起
If you dig up something, you remove it from the ground where it has been buried or planted.

2. 掘地;挖洞
If you dig up an area of land, you dig holes in it.

3. 发现，查明(信息或事实)
If you dig up information or facts, you discover something that has not previously been widely known.

4. 发掘;发现并利用
If you dig up something or someone, you find them and use or employ them.

1. find by digging in the ground

e.g. I dug up an old box in the garden

Synonym: excavateturn up

2. remove, harvest, or recover by digging

e.g. dig salt
dig coal

Synonym: digdig out