徒劳无功,白费力气(来自猫想咬锉的寓言)

gnaw a file的用法和样例:

例句

  1. It was the cold of his errand, a foot's errand.这是因为这趟奔走肯定徒劳无功而感到发冷吧。
  2. We wasted all day on a wild-goose chase.我们徒劳无功的浪费了一整天。
  3. To argue with such a marl is like beating the air.跟这号人辩论是白费力气。
  4. It is of no use boasting of being rich on a desert island.在无人岛上夸耀富有也是白费力气。

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学英语单词
2-PDS
a monkey
administrative country
algebraic invariant
arsa
bachand
base defense operations center
biomas
biomimic material
blockag
blurts
bugbee
Cartaxo
cellulose microcrystalline
channel size
chickcharnies
cloggers
color synchronizing signal
combination cutting and loading machine
compare to
complexometry
crural ridge
Daghda
Damāvand, Rūdkhāneh-ye
Derrien's butter
dislodgements
drunken drive
dwam
emulsoid-gelatin tests
enalapril
enfranchisable
externalupset
fiduciarily
flat billet
frest
gainy
gear material
Glen Helen
Great Pyrenees
harbo(u)r boat
hibonites
ill-fortune
independent judgement
International Wool Secretariat
isochronal rhythm
j walking
Kasungan
kicked in
Kimjongilia
knowledge-based pay
lensia conoidea
local backup protection system
loss of gloss
Mandunyane
modified Newtonian equation
nephologists
nitrosalicylaldehyde
nonfusion
nonslippage
pad stamping machine
personnel agency
pirate label
polyiodides
polytropic change
Pomerantsev
poor peasants, fund
pressure relief cap screws
radio-safety signal
Raditsa-Krylovka
recording program
resonance wave
roller way control case
romanski
see good to do something
semiotically
sex-roler
sexualities
single-circuit transposition
Slope County
statically
subjoins
suckets
sulfinyl bromide
torispherical head
tracking controller
Trinectes maculatus
turpitudinous
uncle tomming
undosous
Utena
Venoy
virtual screen display
viviparism
wartworts
Whangarei
white-tipped sharks
windshield anti-icer
wirelessness
word number
wreck marking light
wriglesworth