I used to do a couple of things, I used to watch the PL on a Thai news channel I was picking up words that way, I used to write down 5 words a day and carry that around with me,
I picked up a lot of the basic thing pretty quick,
Start learn to count 1 to 10 and so on, learn the time, learn how to order food,
Think like a child how does the child learn to speak? boy girl cat dog house car,