作文要想得高分，用词多变是关键。以下是一些作文中的常用替换词，仅供大家参考：

through－>in term of/via
operate－>manipulate
offspring－>descendant
inevitable－indispensable
detail－>specific
explain－>interpret
obvious－>conspicuous
hurt－>vulnerable
use－>employ/utilize
value－>merit
provide－>lend－>offer
true－>accurate
leading to－>contribute to/ conduce to/result in
more and more－>increasing/growing
hardly－>merely－>barely
well-known－>outstanding
large－>miraculous/marvelous
although－>albeit/notwithstanding
in fact－>actually/virtually
want－>intend to/tend to/be inclined to
because－>in that
may be－>probably
to sum－>to summarize/in conclusion
explain－>interpret/illustrate
change－>alter
chance－>alternative
custom－>convention/tradition

think－>contemplate/muse/meditate/retrospect
arouse－>ignite/stimulate/spur/motivate
limit－>stress/hinder/hamper
key－>crucial/vital/consequential
old－>ancient
emphasis－>accentuate
devote to－>dedicate to
character－>trait/individuality/idiosyncrasy/personality
expect－>anticipate
join－>participate
delegate－>representative
bias－>prejudice/discriminate/tendency
thrive－>palmy/flourishing/prosperity
clash－>conflict/collision/rencounter
publicize－>propagandize
agree partly－>agree with reserve
proper－>apposite
want to－>desire
big city－>metropolis
lawmaking－>legislation
first－>primarily
but－>nonetheless/nevertheless
child－>juvenile
absorb－>assimilate
hand in－>render
undermine－>sap/enervate/debilitate
get into chaos－>with chaos ensuing
key－>pivot/crux
sway－>vacillate
fanatic patriotism－>jingoism/chauvinism
persusive－>thorough/sound/specific/convincing
consider－>take into account
vague－>gratuitous/unwarranted/oversimplified