Ч162
ВОТ ЧТО
collInterj or Particle
Invarfixed WO used to introduce and draw the interlocutor's attention to a statement, or, when used at the end of a statement, to conclude and add emphasis to that statement: (when introducing a statement) now, listen to me
look herenereis the thing (the story, the deal)(when recalling
sth. one had not been able to recall earlier in the conversation) oh yes (, that's it)(when concluding a statement) that's what it isthat's the thingthat's what(in limited contexts) that's the trouble.