Psalm 2:1

לָמָּה רָגְשׁוּ גֹויִם וּלְאֻמִּים יֶהְגּוּ־רִיק׃

Rough Word-by-word:
Why they rage nations and peoples they meditate continually a vain thing?

Smooth Translation:
Why do nations rage and people meditate a vain thing?

לָמָּה interrogative "why"

רָגְשׁוּ Qal perfect 3rd common plural from רָגַשׁ (he raged, he conspired)"they raged"

גֹויִם noun masculine plural "nations"

וּלְאֻמִּים conjunction with noun masculine plural "and peoples"

יֶהְגּוּ Qal imperfect 3rd masculine plural from הָגָה (he muttered, he meditated) "they meditate continually"

רִיק adjective masculine singular "a vain [thing]" (note: BibleWorks 4 gives this as a noun)