It is important that a lawyer should leave no stone unturned even on minor points and harp on the same subject to achieve a break through in an impasse.

She grounded her students thoroughly in English grammar.

He is a thorough-going egoist.

He made a thorough analysis of the problem.

Strict security measures were in force.

Production improves by becoming more automatic.

In spring, we like to give the house a thorough cleaning.

I studied it thoroughly.

Our hypothesis is based on thorough experiments.

I was beaten up by a gang of hoodlums on the way home from work.

Have you had a thorough medical checkup within the last year?

I was beaten up by a gang of hoodlums on the way home from work.

The candidates thoroughly argued the point.

A strict father makes his children toe the line by thorough training.

The research director had the department do a thorough job in testing the new product.

The police were heading for a shake down.

The police began to go into the murder case.

The police thoroughly searched the house.

You had better study English thoroughly.

At any rate, if you learn English, study it thoroughly.