短语讲解：

1. "Teetering on the edge of being an old adolescent and a fully-fledged adult, I made the decision to go into becoming who I’m going to be forever without a removal van full of my old junk."

on the edge of 濒于，几乎，在边缘
例句：He sat on the edge of the table dangling his legs.
他坐在桌子边上,摆动着双腿。

2. They hope to hear more from her by the end of November.

by the end of 到…为止
例句：By the end of the game, the stadium was almost vacant.
到比赛结束的时候,体育馆几乎空了。