| 费尽心机 | fèi jìn xīn jī | to rack one's brains for schemes (idiom) / to beat one's brains out | 
| 费 | Fèi | surname Fei | 
| 费 | fèi | to cost / to spend / fee / wasteful / expenses | 
| 尽 | jǐn | to the greatest extent / (when used before a noun of location) furthest or extreme / to be within the limits of / to give priority to | 
| 尽 | jìn | to use up / to exhaust / to end / to finish / to the utmost / exhausted / finished / to the limit (of sth) / all / entirely | 
| 尽心 | jìn xīn | with all of one's heart | 
| 心 | xīn | heart / mind / intention / center / core / CL:颗,个 | 
| 心机 | xīn jī | thinking / scheme | 
| 机 | Jī | surname Ji | 
| 机 | jī | (bound form) machine; mechanism / (bound form) aircraft / (bound form) an opportunity / (bound form) crucial point; pivot / (bound form) quick-witted; flexible / (bound form) organic |