| 释义 |
know sth inside out also know sth backwards BrE; know sth backwards and forwards AmEto be very familiar with something, especially because you have learned about it or because you have a lot of experience对某事了如指掌，对某事十分了解:•Erikson know the game inside out.埃里克森精通此道。know sth inside out BrE, know sth inside and out AmEto know something in great detail对某事物知道得一清二楚:•She knows her subject inside out.她对她的课题了如指掌。 |