to enter or do something by mistake
сделать что-то случайно или попасть в неправильное место (sdelat' chto-to sluchayno ili popast' v nepravil'noe mesto)
"He blundered into the wrong meeting room."
"Он вошел в неправильную комнату для совещаний." (on voshel v nepravil'nuyu komnatu dlya soveshchaniy)
to burst into laughter; to laugh uncontrollably
to make someone feel nervous or excited
to develop mental and emotional toughness
to suddenly become violent or intense
to contact someone to see how they are doing or feeling
to discover secret or forgotten information
