to criticize someone unfairly; to speak badly about someone
不公平に誰かを批判する; 誰かの悪口を言う (fukōhei ni dareka o hihan suru; dareka no warukuchi o iu)
"He always runs his coworkers down behind their backs."
"彼はいつも同僚の悪口を言う、背後で。" (Kare wa itsumo dōryō o warukuchi o iu, haigo de.)
experiencing a period of bad luck
to make a serious promise or pledge
to return to a place
the main story on the front of a magazine or newspaper
something of very high quality or luxurious
To use all your energy and resources to achieve something.
