Sentence examples for that prove hard from inspiring English sources
By the end of an extraordinary hour, which shades by turns from funny to grotesque to tear-jerking, one has seen several things that prove hard to unsee in the subsequent days.
Over the same period, airlines replaced older, louder jets with quieter turbofan engines that prove harder for birds to detect and evade, according to the USDA's Wildlife Services division.
Adolf Hitler can meet his party at Baggage Claim 4. It's a depressing thought, and one that proved hard to shake.
From the 1970s, scientists were trying to find a way to kick the immune system into recognising tumours, but it was a theory that proved hard to put into practice.
When that proved hard in 2011, lawmakers stopped the clock in the Assembly and kept working.
That proved hard to work out with the typical annual budgets of most school systems.
In Walthamstow, where she was a councillor and, briefly, mayor – as well as being deselected for a while, the consequence of one of those arcane and footling bits of local politicking that is never worth looking at too closely – she developed a reputation for self-interest that proved hard to shake.
The explanation for so much love is simple: These channels reach an audience bigger than any TV network, especially to a target demographic that proves hard to connect with TV.
The idea was to put New York behind him, but that proved harder than he anticipated.
But that proved harder than it should have, with the U.S. scoring just once in its final two games.
