to think about only one thing all the time
immer nur an eine Sache denken (immer nur an eine Sache denken)
"He has a one-track mind when it comes to his business."
"Er hat eine einspurige Denkweise wenn es um sein Geschäft geht." (Er hat eine einspurige Denkweise wenn es um sein Geschäft geht)
feeling like doing something or having a particular attitude
a situation that can lead to serious problems if not control...
very high speed; extremely fast progress
to be accountable for something you did or are in charge of.
to work for many hours
to trust your own abilities and potential