| 费 | fèi | to cost; to spend; fee; wasteful; expenses; surname Fei |
| 费力 | fèi lì | great effort; to strain (oneself) |
| 费尔巴哈 | Fèi ěr bā hā | Ludwig Feuerbach (1804-1872), materialist philosopher |
| 费时 | fèi shí | to take time; time-consuming |
| 费心 | fèi xīn | to take a lot of trouble (over sb or sth); may I trouble you (to do sth) |
| 费劲 | fèi jìn | to require effort; strenuous |
| 费事 | fèi shì | troublesome; to take a lot of trouble to do sth |
| 费用 | fèi yòng | cost; expenditure; expense; CL:笔,个 |
| 费人思索 | fèi rén sī suǒ | to think oneself to exhaustion (idiom) |
| 费利克斯 | Fèi lì kè sī | Felix |
| 费力不讨好 | fèi lì bù tǎo hǎo | arduous and thankless task (idiom); strenuous and unrewarding |
| 费加罗报 | Fèi jiā luó bào | Le Figaro |
| 费劲儿 | fèi jìnr | to require effort; strenuous |
| 费口舌 | fèi kǒu shé | to argue needlessly; waste time explaining |
| 费城 | Fèi chéng | Philadelphia, Pennsylvania; abbr. of 费拉德尔菲亚 |
| 费奥多尔 | Fèi ào duō ěr | Theodor of Fyodor (name) |
| 费孝通 | Fèi Xiào tōng | Fei Xiaotong (1910-2005), Chinese sociologist |
| 费德勒 | Fèi dé lè | Roger Federer (1981-), Swiss tennis star |
| 费拉德尔菲亚 | Fèi lā dé ěr fēi yà | Philadelphia, Pennsylvania; abbr. 费城 |
| 费曼 | Fèi màn | Feinman or Feynman (name); Richard Feynman (1918-1988), US physicist, 1965 Nobel prize laureate together with TOMONAGA Shin'ichirō and Julian Schwinger |
| 费洛蒙 | fèi luò méng | pheromone |
| 费尔干纳 | Fèi ěr gàn nà | the Ferghana valley (in Uzbekistan, central Asia) |
| 费尔干纳槃地 | Fèi ěr gàn nà pán dì | the Ferghana valley (in Uzbekistan, central Asia) |
| 费尔干纳盆地 | Fèi ěr gàn nà pén dì | the Ferghana valley in modern Uzbekistan |
| 费尔马 | Fèi ěr mǎ | Pierre de Fermat (1601-1665), French mathematician |
| 费尔马大定理 | Fèi ěr mǎ dà dìng lǐ | Fermat's last theorem |
| 费率 | fèi lǜ | rate; tariff |
| 费用报销单 | fèi yòng bào xiāo dān | expense claim form |
| 费尽心思 | fèi jìn xīn si | to rack one's brains (idiom); to take great pains to think sth through |
| 费尽心机 | fèi jìn xīn jī | to rack one's brains for schemes (idiom); to beat one's brains out |
| 费卢杰 | Fèi lú jié | Fallujah, Iraqi city on Euphrates |
| 费神 | fèi shén | to spend effort; to take trouble; May I trouble you to...? (as part of polite request); Please would you mind...? |
| 费米 | Fèi mǐ | Fermi (name); Enrico Fermi (1901-1954), Italian born US nuclear physicist |
| 费米子 | fèi mǐ zǐ | fermion |
| 费县 | Fèi xiàn | Feixian county in Linyi 临沂, Shandong |
| 费解 | fèi jiě | hard to understand; unintelligible; incomprehensible |
