14 The construction uses the verbal hendiadys: מַרְבִּים לְהָבִיא (marbim léhavi’) is the Hiphil participle followed (after the subject) by the Hiphil infinitive construct. It would read, “they multiply … to bring,” meaning, “they bring more” than is needed.
15 Heb “for the service” (so , ).
16 The last clause is merely the infinitive with an object—“to do it.” It clearly means the skilled workers are to do it.

In other versions

and said to Moses, “The people bring much more than enough for doing the work that the Lord has commanded us to do.”

and said to Moses, “The people are bringing more than enough for doing the work the Lord commanded to be done.”

and said to Moses, “The people are bringing more than is needed for the construction of the work the Lord commanded to be done.”

They went to Moses and reported, “The people have given more than enough materials to complete the job the Lord has commanded us to do!”

And they said to Moses, saying, “The people are bringing more than enough for the service of the work that Yahweh has commanded to be done.”

And they spake unto Moses, saying, The people bring much more than enough for the service of the work, which the Lord commanded to make.

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