Dialog 1 hound someone [ しつこく追いかける、つきまとう ]

Angela:You live in the same building as Marco Cholo, the TV star?!
Yukio:Yeah. He seems like a nice guy.
Angela:Have you asked him for his autograph yet?
Yukio:No. People are always hounding him for one, so I just leave him alone.

Dialog 2 Saved by the bell [ 土壇場で助かる ]

Angela:What did your boss say when you showed up late this morning?
Yukio:I wasn't late!
Angela:How on earth did you make it on time?
Yukio:The train was delayed and I received a late slip, so I was saved by the bell.