The fish is slightly off.

鱼有点不新鲜了。

《新英汉大辞典》

Planets orbit the sun in oval-shaped paths called ellipses, and the sun is slightly off to the side of the center of each ellipse.

行星绕太阳运行的轨道是近圆形的椭圆，太阳位于每个椭圆中心的附近。

youdao

At a time when most designers are in clear pursuit of elegance and refinement, Carolyne Roehm's collection is slightly off center.

当大多数时装设计家显然在寻求典雅与精美的时候，罗姆的一系列的款式则略嫌差失。

youdao

So things are not... I haven't given you the numbers for the middle but... So you can see that whoever it was who said, you're slightly better off, you score with slightly higher probabilities when you kick to your natural side is exactly right.

所以事情不像是……,我虽然没有给出中路的概率,但是,我们先不管这些数字到底是谁总结的,我们发现我们走运了,当你从自然方向攻门的时候,你进球的概率会稍微提高

耶鲁公开课 - 博弈论课程节选

While I basically agree with this statement, it seems to me that the wording is slightly off and therefore misleading.

FORBES: Skyscrapers Are Good for Startups

Adani Power is slightly better off in that it has commissioned its first unit of 330 megawatts of the total 6, 600 megawatts that it plans to build.

FORBES: Companies, People, Ideas

Complaining about "inappropriate" behavior that is, at worst, slightly off is also a problem.

WSJ: Why Your Co-Workers Don't Like You