
it was an ACHIEVEMENT
in the field of biology.
The Big Bang Theory Season 5, Episode 12

If a person doesn't have a sense
of ACHIEVEMENT in their real life...
The Big Bang Theory Season 2, Episode 3

I just won't talk about the greatest
ACHIEVEMENT of my life ever again.
The Big Bang Theory Season 6, Episode 5

...with his dating a woman
whose most significant ACHIEVEMENT...
The Big Bang Theory Season 3, Episode 11

He's right. This is an important
ACHIEVEMENT for two reasons:
The Big Bang Theory Season 2, Episode 22