to support or defend someone
誰かを支援したり守ったりする (dareka o shien shitari mamottari suru)
"Don’t worry—I have your back."
"心配しないで——私があなたを守るよ。" (shinpai shinaide watashi ga anata o mamoru yo)
working closely and harmoniously together
to memorize something perfectly
a mysterious or unexplained force in a system or person
hoping for good luck or a good result
to remove an item from a list
legal protection given to diplomats from prosecution