What is the meaning of Matthew 21:15?

* The two F.O.G. Bibles & Commentary below are currently a work in progress.

But the chief priests and scribes were indignant when they saw the wonders He performed and the children shouting in the temple courts, “Hosanna to the Son of David!”

Berean Standard Bible (BSB)

But when the chief priests and the scribes saw the wonderful things that he did, and the children who were crying in the temple and saying, “Hosanna to the son of David!” they were indignant,

World English Bible (WEB)

And{G1161} when the chief priests{G749} and{G2532} scribes{G1122} saw{G1492}{(G5631)} the wonderful things{G2297} that{G3739} he did{G4160}{(G5656)}, and{G2532} the children{G3816} crying{G2896}{(G5723)} in{G1722} the temple{G2411}, and{G2532} saying{G3004}{(G5723)}, Hosanna{G5614} to the Son{G5207} of David{G1138}; they were sore displeased{G23}{(G5656)},

Strong's King James

(15) But when the leading priests and Torah-scribes saw the wonders He did and the children shouting in the Palace-Temple saying, "Hoshia-na to David's Son!" they became indignant.

The F.O.G*

[15] But the leading priests and teachers of religious law watched in growing anger as extraordinary miracles unfolded and children shouted joyfully, "Hosanna to David's Son!" Their hardened hearts rejected these signs of Messiah's presence.

The F.O.G Paraphrase

and the chief priests and the scribes having seen the wonderful things that he did, and the children crying in the temple, and saying, ‘Hosanna to the Son of David,’ were much displeased;

Young's Literal Translation