Luke 1:21

And the people waited for Zacharias, and marvelled that he tarried so long in the temple.

The people were waiting for Zacharias, and they marveled that he delayed in the temple.

And the people were waiting for Zacharias, and they marvelled while he tarried in the temple.

And the people were waiting for Zacharias, and wondering at his tarrying in the sanctuary,

Meanwhile, the people were waiting for Zechariah and wondering why he took so long in the temple.