释义：
be running late 迟到
run late 表示去某处时迟到，经常会用现在进行时 be running late 的形态。想要表达……迟到，则可以像 be late for 一样，使用 for,变成 be running late for。
例句：
He's supposed to be here, but I guess he's running late.
他原本应该在这的，我猜他迟到了。
I was running late for a meeting.
会议要迟到了。
Let's go right now. We're running late.
我们现在就出发，要迟到了。
对话：
A: It's after six o'clock right now.
现在已经过了 6 点。
B: Oh no! I am really running late!
不！我要迟到了！
