The phrase "a string of key" is not correct in English.
Did you mean "a string of keys"? If this is the case, you can use it to refer to a collection of keys that are attached together, often used for convenience.
Example: "I always keep a string of keys on my belt loop so I don't lose them."
Alternatives: "a bunch of keys" or "a set of keys".
Over the past two years, a string of key opposition figures have died, been imprisoned or vanished without trace.
George Osborne strengthened his power base yesterday as a string of key allies took one step closer to the Cabinet.
Struggling Hamburg had battled hard to protect a goalless draw and end a three-game losing run, with the goalkeeper René Adler making a string of key saves before Kimmich drilled in a Franck Ribéry cutback at the far post.
After trying to bluff her way through the Northern Ireland Affairs committee interrogation, she admitted she had not read a string of key reports relating to current issues in the region.
The article also carries death rates for masons working on a string of key projects across the New Town.
Glenavon go into the Mid-Ulster derby against Portadown buoyed by the news that a string of key players have signed new contracts.
The other main attractions are the coral reefs that surround the island and a string of offshore keys.
KALQ, which is named, like Qwerty, after a string of its keys, is designed to speed up thumb typing on tablets and phablets (aka big phones).
As a frontman, he has co-opted the universal handicap sign to serve as his logo: the white, wheel-chaired stick figure has a cigarette in his mouth, and a string of piano keys float in front of him, not quite resting across his lap.
Sonia Gandhi, president of India's Congress party, defended a string of defeats in key provincial assembly elections this week, blaming the electoral debacle on weak state party organisations and bad candidates.
Shane Wright, the economics editor at the Sydney Morning Herald, says that while Scott Morrison used his opening election pitch to argue that the Australian economy is strong and will get even stronger under the Coalition's agenda, the budget contained a string of downgrades to key economic indicators.
