听着这首老歌，他一下子就出神了，仿佛回到了学生时代。

Tīngzhe zhè shǒu lǎogē, tā yíxiàzi jiù chūshén le, fǎngfú huídào le xuéshēng shídài.

Listening to this old song, he suddenly zoned out, as if he had returned to his school days.

画家站在画前出神，似乎在思考下一笔该怎么落。

Huàjiā zhàn zài huà qián chūshén, sìhū zài sīkǎo xià yì bǐ gāi zěnme luò.

The painter stood in front of the painting in a trance, seemingly thinking about how to make the next stroke.