Utiliser "make a dent in" dans une phrase

1. The federal government could take every income above $250,000 per year at one hundred per cent, and still not make a dent in this country"s total debt of more than fourteen trillion

2. A person like me, probably won’t even make a dent in the attitude of those worshipping the ‘church’ and thinking that it’s pleasing to God, it ain’t

3. Make a dent in the middle and crumble the fresh yeast into it

4. On the flight out, I worked on my PowerPoint presentation and tried to make a dent in the two days of behind e-mails