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

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

The greatest scientific
ACHIEVEMENT of my life
The Big Bang Theory Season 7, Episode 10

of my greatest ACHIEVEMENT!
The Big Bang Theory Season 7, Episode 10

Well, you doled out affection
as a reward for ACHIEVEMENT...
The Big Bang Theory Season 8, Episode 23