to become unable to speak because of strong feelings
強い感情で言葉が出なくなる (tsuyoi kanjou de kotoba ga denakunaru)
"He choked up with emotion while giving his speech."
"彼はスピーチをしながら感情で言葉が詰まってしまいました。" (Kare wa supīchi o shinagara kanjou de kotoba ga tsumatte shimaimashita.)
to return something; to remind someone of the past
to admit your true feelings or reality to yourself
to disagree or fight verbally with someone
to accept new or difficult tasks
to gradually stop doing something that no longer fits
something that makes you cry, especially a movie or story