走馬觀花

1. • lit. flower viewing from horseback (idiom) a fleeting glance in passing
2. • fig. superficial understanding from cursory observation
3. • to make a quick judgment based on inadequate information

Character by character

• 走(zǒu)walk
• 馬(mǎ)surname Ma
• 觀(guān)look at
• 花(huā)surname Hua