Something that gets on your way and makes it harder for you to achieve an accomplishment:
Obstacle
In one's own way:
On my own terms
Something that you have achieved:
Accomplishments
A trip or activity that includes exciting and/or new things:
Adventure
Something you fight to achive:
Battle
To understand (something)
Get one's head around
Stepped for the first time
Set foot on
Battle you work hard to overcome:
Struggle
An activity that you find hard and dislike:
Trial
To try and get what you want:
Go for it
When you are the responsible of something:
Be on me
Not taking into consideration:
Let alone
A riskier adventure:
Exploit
An action you need skill to achive, your also kinda afraid of doing:
Feat
To cause something as a consequence:
Trigger
The moment when something changes:
Turning point
An obstacle that makes it harder to get a result:
Hurdle
An unplesant or tiring activity:
Ordeal
To push out in big quantities:
Pump out
To get on a plane or ship:
Charter