to move up in position or success, especially in a career
подниматься по карьерной лестнице (podnimatsya po kariernoy lestnitse)
"He worked hard to climb the ladder in his company."
"Он усердно работал, чтобы подняться по карьерной лестнице." (on userdno rabotal chtoby podnimatsya po kariernoy lestnitse)
to be lost in thought or imagination
to attribute something to a particular cause
in a difficult situation where any choice you make will have...
to feel deep sadness or sorrow
to work extremely fast and efficiently on programming
something boringly repetitive