a small visible part of a much larger problem
небольшая видимая часть гораздо более крупной проблемы (nebolshaya vidimaya chast' gorazdo bolee krupnoy problemy)
"The few complaints we received are just the tip of the iceberg."
"Немного жалоб, которые мы получили, это всего лишь верхушка айсберга." (Nemnogo zhalob, kotorye my poluchili, eto vsego lish' verkhushka ayzberga.)
to fail to meet expectations or standards
to be so worried or confused that you do not know what to do
to catch someone off guard; to surprise unexpectedly
To begin to succeed rapidly; to leave the ground.
to reveal one’s real character or intentions
attempting to obtain sensitive information by disguising one...
