Psalm 2:4

יֹושֵׁב בַּשָּׁמַיִם יִשְׂחָק אֲדֹנָי יִלְעַג־לָמֹו׃

Rough Word-by-word:
He who sits in the heavens he will laugh. The Lord he will mock at them.

Smooth Translation:
He who sits in the heavens will laugh. The Lord will mock at them.

יֹושֵׁב Qal active participle ms from יָשַב (he sat) "he who sits"

בַּשָּׁמַיִם preposition with definite article and noun masculine dual "in the heavens"

יִשְׂחָק Qal imperfect 3ms from שָׂחַק (he laughed) "he will laugh"

אֲדֹנָי noun masculine plural "the Lord"

יִלְעַג Qal imperfect 3ms from לָעַג (he mocked) "he will mock"

לָמֹו preposition with poetic pronoun 3mp "to them" or "at them"