'pin hope' is not correct or usable in written English
To use the phrase in written English, it should be 'pin one's hopes on.' You can use this phrase when you are hoping that something will turn out the way you want it to. For example: I'm pinning my hopes on a job offer coming soon.
"It is a simply a pity that just a few days after the new president of Russia took office -- the president on whom many people pin hope for a rebirth of the country -- it looks like everything is going backwards, the same masks, the same special services, the same witch hunting".
"Those who pin hope on options on the table, should only have a look at the Islamic republic's army options under the table," Hajizadeh remarked, in apparent reference to American officials repeatedly saying that a military strike against Iran remains "on the table" as a last resort.
WALL STREET JOURNAL Bankers Pin Hopes on an I.P.O.
I pin hopes on the performance by Paco Pe? troupe at Town Hall on Feb. 24.
On Oct. 18, The Wall Street Journal ran an article titled "Retailers Pin Hopes on Cocooning TV buyers".
The Bangladeshis are modernising it, but pin hopes of further growth on the site of a vast new deepwater container terminal to its south.
Several dozen were injured.The opposition's weakness has led many reform-minded Egyptians to pin hopes on more narrowly focused pressure groups from outside the formal political system.
Still, those who today pin hopes for Net stocks on continuing strength in fundamentals could have a long wait even if they're right.
Related: Eurozone pins hope on long-awaited economic rebound But last Wednesday Greece managed to scrape together €200m for an earlier instalment to the IMF.
REUTERS Jeweler Graff Pins Hopes on I.P.O.
Economists have pinned hopes on the manufacturing sector to bolster business confidence.
