Disclaimer: I'm not a native speaker, nor am I a driver. But here's my take on that: 1. I feel for you. / I get it. / I can imagine. / I see. 2. This guy sees I am trying to change lanes but he won't let me. 3. Signal a right/left turn. 4. Skip two turns and then turn right. / Go straight for two more blocks and then turn right.

1) I would say "Yeah, I can imagine" or "yeah it seems like it would be". 2) I would say "I'm trying to merge and this guy won't let me in" or "this guy won't let me get over". Or "He know's I'm trying to merge but he's not letting me in" 3) I usually say signal. "Turn on your signal" or "that guy isn't using a signal" you could also say "turn signal" 4) You could say "take the third right", but it would make more sense to wait until they are closer and say "take the next right" or "turn right at the stop sign there" or something like that.

1) If a teacher says: "It is hard to be a teacher" and I want to express that I agree with her, even though I am not a teacher, what could I say? "I know the feeling", "I suppose so", "I imagine so", "I can imagine"... any other? What would you say? -- I would say: I can just imagine. I believe you. I agree; I sure wouldn't want to be in your shoes. 2) If I am trying to move/merge/get into (i really don't know which verb) the lane next to me and the car beside me won't let me in (Can I say let me in? Like: I won't let this car in"?????) , could I say : This guy know I am trying to GET/MERGE IN and he won't LET me" Does this sentence sound odd? Is this wrong? What could I say instead? Can I say "get/merge in" and "let me"? -- This guy won't let me merge. He won't let me in. This turkey is blocking me from merging. He won't let me in. 3) When you put your turn signal on, do you say "indicate right/left" or "signal right/left"? -- We turn on our left or right blinker. (or turn signals) 4)If I want to tell someone (who I am riding with) to take the third right turn, would it sound odd to say"Don't turn at either this intersection or the next one, but at the third one"? Is it wrong? -- Saying "Don't turn here" is odd. Instead, say "Go straight, and I'll tell you when you turn. Turn here. Turn at the next light or intersection."