35 The does not include the words “Now when the young women were being gathered again.” The Hebrew word שֵׁנִית (shenit, “a second time”) is difficult in v. 19, but apparently it refers to a subsequent regathering of the women to the harem.
36 That Mordecai was sitting at the king’s gate apparently means that he was a high-ranking government official. It was at the city gate where important business was transacted. Being in this position afforded Mordecai an opportunity to become aware of the plot against the king’s life, although the author does not include the particular details of how this information first came to Mordecai’s attention.

In other versions

Now when the virgins were gathered together the second time, Mordecai was sitting at the king’s gate.

When the virgins were assembled a second time, Mordecai was sitting at the king’s gate.

When the virgins were gathered a second time, Mordecai was sitting at the King’s Gate.

Even after all the young women had been transferred to the second harem and Mordecai had become a palace official,

When the virgins were gathered a second time, Mordecai was sitting at the gate of the king.

And when the virgins were gathered together the second time, then Mordecai sat in the king’s gate.

Public Domain