The girl will endeavor to keep up her grades
I shall endeavor to create this sentence for you.
I endeavor to do better in the future
It depends on the sentence. You can use the first one in the sentence "he will embark on his new endeavor."
I think you mean endeavor. I will endeavor to explain. That is a bold endeavor.
good luck in your future endeavor
The King wished his knight the best in his endeavor.
We must constantly endeavor if we are to succeed. Endeavor: try hard to do or achieve something.
Example sentence - His faithful companion exhibited alacrity in ever endeavor.
We will try very hard to succeed at this task. (We will endeavor to succeed at this task.)
Jack has begun to pursue new endeavors.
The noun endeavor (endeavour) is an attempt, effort, try, or possibly an enterprise or mission.The verb endeavor is similarly to attempt, try, strive, or struggle.
Risky is an adjective. An example sentence is "He was planning a risky endeavor."