慎小谨微 (慎小謹微) shènxiǎojǐnwēi

shènxiǎojǐnwēi set phrase cautious of minor details and subtle points
Domain: Idiom 成语
Notes: (CC-CEDICT '慎小謹微'; Guoyu '慎小謹微'; Wikipedia '慎小謹微')