1. 彻底地：to tell the truth 说实话 | to the backbone 彻底地 | to the bad 亏损

2. 彻头彻尾：know like the back of one's hand了如指掌 | to the backbone 彻头彻尾 | bring home the bacon维持生计

3. 彻底：to one's name 为某人所有 | to the backbone 彻底 | try it on with 对......粗野无情,行骗

4. 程度之深：be on one's back 生病/发愁 | to the backbone 程度之深 | in the bag 稳操胜券