to say bad things about someone when they are not present
誰かのいないところで悪口を言う (dareka no inai tokoro de waruguchi o iu)
"I don’t like people who talk behind my back."
"私は陰で私の悪口を言う人が好きではありません。" (watashi wa kage de watashi no waruguchi o iu hito ga suki de wa arimasen)
a blessing or something very special
to successfully enter a new market or industry
exactly on time; punctual
my patience has run out
to make significant progress or improvements
in private; secretly
