甘之如饴

lit. as sweet as syrup (idiom, from Book of Songs); to endure hardship gladly / a glutton for punishment

surname Gan / abbr. for Gansu Province 甘肅省|甘肃省[Gan1 su4 Sheng3]

sweet / willing

(possessive particle, literary equivalent of 的[de5]) / him / her / it

as / as if / such as

maltose syrup