可是当我交付钥匙，跨过门槛的那一刹那，我明白我已不再是这里的一员。

But when I delivered the key to the moment, I understand that I here is no longer one.

youdao

我立刻鼓起了勇气，跨过门槛，径直奔他站着的地方走去，他架着拐杖，正在同一个顾客攀谈。

I plucked up courage at once, crossed the threshold, and walked right up to the man where he stood, propped on his crutch, talking to a customer.

youdao