"sufficient achievement" is correct and can be used in written English.
For example: "Success isn't always measured by perfection, rather by sufficient achievement."
But both sides insisted in closing speeches Tuesday that meeting and talking in themselves were sufficient achievements, because they could lay the groundwork for grander bargains.
An Open Championship victory would usually be sufficient an achievement to offset subsequent disappointment in any year.
"At the present time, your College Board tests do not indicate sufficient academic achievement for you to be designated an official candidate and receive an application packet," said the letter late last fall from an admissions official to the student, Daniel Wurangian of John F. Kennedy High School in Granada Hills, outside Los Angeles.
All pre-modern literature evolves from the classical conception of writing as an impersonal, self-sufficient, freestanding achievement.
There is no level of achievement sufficient to escape the stultifying bonds of bigotry.
The logical framework for the project identified a purpose and seven results necessary and sufficient for its achievement.
Some specific plans required all co-authors to discuss and agree upon the meaning of the plan and whether our interview items were sufficient to measure achievement.
"Anyone who would tell a child that the only thing standing between him or her and world-class achievement is sufficient work," Egan wrote, "ought to be jailed for child abuse".
Figure 4 Achievement of sufficient intrusion.
However, lack of selectivity on infection has hampered the achievement of sufficient in vivo efficiency.
