Tā mùzhōng-wúrén, gēnběn bù bǎ biérén fàngzài yǎnlǐ.
He is arrogant and doesn't take anyone seriously at all.
Tips
usage
放在眼里 is most commonly used in the negative: 不放在眼里 (not take seriously / look down on). The positive form literally means 'to hold in one's eyes', i.e. to regard highly.