to not do what one said one would do
не сделать того, что человек сказал, что сделает (ne sdelat' togo, chto chelovek skazal, chto sdelayet)
"He went back on his word about helping me."
"Он не сдержал своего слова о помощи мне." (On ne sderzhal svoego slova o pomoshchi mne.)
to catch someone off guard; to surprise unexpectedly
to have a disagreement or fight with someone
to unite and support each other when facing opposition
to aim for a difficult or ambitious goal
a period when stock prices are falling
to engage in the hard or unpleasant work of a task
