The phrase "a certain competition" is correct and usable in written English.
It can be used when referring to a specific competition without naming it directly, often to imply that the details are known to the audience.
Example: "She decided to enter a certain competition that promised a significant cash prize."
Alternatives: "a particular contest" or "a specific competition".
It can happen, because there is a certain competition out there; people want to outdo each other.
He's good in the dressing room and he's highly motivated because he's got a certain competition [the European Championship] to play in at the end of the season with his country, so he wants to maintain his level".
From several time snapshots shown, it can be seen that particle trajectories in a narrow channel did not follow the direction of gravity and that there is a certain competition for space between particles settling and fluid flowing upward.
I think there's a certain competition to show that they're not soft on the war, that they don't have any less patriotism than Fox.
On the one hand, there has been a certain competition in health supply between regional governments, which has tended to increase the services offered [ 18].
After a certain competition, never dwell on who won or lost.
Comparing across cities in different countries and regions can hopefully engender a certain status competition to improve performance (something we have already seen when it comes to things like the Transparency International Corruption Perceptions Index).
They went from borrowing $40 million from Major League Baseball to stay afloat to vowing to aggressively pursue their free-agent pitcher, Cliff Lee, against certain competition from the Yankees.
However, this may involve certain competition for gases.
For Pandora, innovation must come quickly: With cloud-based music services on offer from Google and Amazon and Apple's iCloud to be released soon, Pandora's personalized radio service faces certain competition from virtual music libraries that allow consumers to create their own, customized playlists -- without the ads that make up nearly 90percentt of Pandora's revenue.
It is just a better system, and it only happened because we disallowed a certain form of competition, namely competition to play slightly better by playing unsafely.
