Harry! Michelle! Can you wait till I make a phone call?
Harry, Michelle,你们等一下让我打个电话好吗?
After forty years teaching English he thinks it's time to call it a day.
他教英语四十年,认为该退休了。
Apparently what happened was that water collected on these tar pits, and the bigger animals like the elephants ventured out on to the apparently firm surface to drink, and were promptly bogged in the tar.