走马观花 (zǒu mǎ guān huā): lit. flower viewing from horseback ; a fleeting glance in passing; fig. superficial understanding from cursory observation; to make a quick judgment based on inadequate information

走zǒu马mǎ观guān花huā

lit. flower viewing from horseback ; a fleeting glance in passing; fig. superficial understanding from cursory observation; to make a quick judgment based on inadequate information

Viewing the flowers from a galloping horse. For the tour, the review or the read-through that covered everything and took none of it in.