Info
像看自己手掌一樣清楚。形容對情況非常了解。
出自《論語·八佾》。
「他對公司的業務瞭如指掌。」
Data source: Ministry of Education Idiom Dictionary (data.gov.tw, OGDL). For reference only.
We use cookies to improve your experience. By continuing to use this site, you agree to our use of cookies.