to study intensely
intensiv studieren (intensiv studieren)
"I need to hit the books if I want to pass the exam."
"Ich muss die Bücher schlagen, wenn ich die Prüfung bestehen will." (ich muss die buecher schlagen wenn ich die pruefung bestehen will)
to recover and be healthy again
completely exhausted or near collapse
to become very angry
to succeed in achieving two things in a single action
to tremble with fear or nervousness
to start something quickly, especially a system