He is a right-down fool.

She looked at him right-down and said, 'I don't believe you.'

She has gotten down from the tree.

She went down with a cold last week.

She has gone down with the flu.

She is going down with a cold.

The sun goes down with a beautiful sunset.

She is drilling down into the data to find the root cause of the problem.

The geologist drilled down into the earth to collect soil samples.

He drills down into the details to find the root cause of the problem.