godan verb (-mu), transitive verb
dig into; dig down into
Transitive verb meaning to dig into something, such as soil or a surface, often with a sense of digging deeply or forcefully.
スコップで地面を掘り込んで、穴を作った。
I dug into the ground with a shovel and made a hole.
彼は庭に深く
He is digging deep into the garden to make a pond.