7 Grk “And it happened that while.” The introductory phrase ἐγένετο (egeneto, “it happened that”), common in Luke (69 times) and Acts (54 times), is redundant in contemporary English and has not been translated. Here καί (kai) has not been translated because of differences between Greek and English style.
8 Or “bewildered.” The term refers to a high state of confusion and anxiety.
9 Grk “behold.”
10 The brilliantly shining clothing (dazzling attire) points to the fact that these are angels (see 24:23).

In other versions

While they were perplexed about this, behold, two men stood by them in dazzling apparel.

While they were wondering about this, suddenly two men in clothes that gleamed like lightning stood beside them.

While they were perplexed about this, suddenly two men stood by them in dazzling clothes.

As they stood there puzzled, two men suddenly appeared to them, clothed in dazzling robes.

And it happened that while they were perplexed about this, behold, two men in gleaming clothing stood near them.

And it came to pass, as they were much perplexed thereabout, behold, two men stood by them in shining garments:

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