1. hectic (adjective): very busy
Life is always very hectic when you're trying to work and go to school at the same time.
2. major (noun or verb): course of study
I'm thinking about majoring in computer science next year. (verb)
What is your major? (noun)
3. land (a job) (verb): to secure, win, or get a job
It is becoming increasingly difficult to land a job in the field of language teaching.
4. work (your way) through (school) (verb): think through, in this case, work while going to school to support yourself
Since my parents had no money, I had no choice but to work myself through school
Sometimes we just have to work through many new experiences before we understand the language and culture.