Translation of queroseno

I grabbed a burger from an American fast food chain and swallowed it immediately, as I had not eaten for a while. I boarded the machine and could feel a slight stomachache but decided to ignore.
Every school has some narrow minded teachers who are not willing in investing in progressive educational process. They do not grasp that schooling methods today are different from last century's methods.
Honk Kong was intense. We liked it on the one hand, but after coming from South East Asia, it seemed a little boring to us. What I mean is that it is more Western and less exciting for us.