to betray someone who trusts you
信頼している人を裏切る (shinrai shite iru hito o uragiru)
"I can’t believe he stabbed me in the back after all I did for him."
"彼のためにこんなにたくさんのことをした後で、彼が私を裏切ったなんて信じられません。" (Kare no tame ni konna ni takusan no koto o shita ato de, kare ga watashi o **uragitta** nante shinjiraremasen.)
to hide evidence of one’s actions
to admit that you have done something wrong
to surprise or shock someone suddenly
following the exact wording of the law
to make concessions or yield in a discussion
a course of action that seems to lead to undesirable or dang...