to betray someone after pretending to support them
サポートを偽って、後で裏切る (sapōto o itsuwatte, ato de uragiru)
"He promised to help but double-crossed me in the end."
"彼は助けると約束したが、最後には裏切った。" (Kare wa tasukeru to yakusoku shita ga, saigo ni wa uragitta)
to learn or become skilled at something new
Keep trying even after multiple failures.
very excited and happy about many options or things
to feel deep sadness or sorrow
to increase the intensity or amount of something
feeling relaxed and comfortable
