Learn English – “making noise” or “make a noise”

The phrasal verb to get used to means to “get or become familiar or accustomed with through experience”, ie, to become habituated to something.

The several forms in the sample text – gotten used to, got used to, will get used to – merely show different forms of verb to get: past participle gotten, simple past got, and future will get, where will is an auxiliary expressing future tense.

To make a difference in any endeavour or field means, broadly, to have a significant effect.

Until recently the expression was usually encountered as make the difference, typically the difference between a positive outcome and a flat or negative outcome. For instance, we might say that a star sales manager “made the difference” between her company breaking even and turning a very nice profit.

In the last ten or fifteen years or so, however, the expression has been most often used in exhortations to “make a difference” in your community: to give generously not just of your money but of your time and your expertise to make your community a better place for everyone. Companies proclaim that they want to “make a difference” by supporting local charities, or by providing advice to start-up businesses or by training displaced workers in new job skills. And the rising Millenial generation of young people is popularly supposed to have a more earnest desire to “make a difference” than their self- and family-centered parents and grandparents.