to lose advantage or control in a situation
терять преимущество или контроль в ситуации (teriat' preimushchestvo ili kontrol' v situatsii)
"During the talks, one side began to lose ground quickly."
"Во время переговоров одна сторона начала быстро терять позиции." (vo vremya peregovorov odna storona nachala bystro teryat' pozitsii)
to accept a difficult situation without complaining
to contact a potential customer without prior introduction
to get value or satisfaction from what you paid for
to criticize or treat someone harshly
a student who is favored by the teacher
someone who is emotionally strong and unyielding