Literature Reference: 谨谨，慎也。——《说文》 'Jin Jin' means cautious, from 'Shuowen Jiezi'.
谨: Prudence, meticulousness. Caution, carefulness.
谨: Prudence, meticulousness. Caution, carefulness.
Meaning: It signifies being cautious and meticulous, describing someone who is careful and thorough in their actions.