to speak angrily to someone without reason
理由もなく誰かに怒鳴る (riyū mo naku dareka ni donaru)
"I just asked a question, no need to bite my head off!"
"ただ質問しただけで、そんなに怒鳴ることないでしょ!" (Tada shitsumon shita dake de, sonna ni donaru koto nai desho)
a very short amount of time
to understand both perspectives in an argument
to die (informal)
to reconcile after an argument or fight
to start working hard, especially after delaying
Have confidence; believe in your ability.