doleful/ /lugubriousheerful/ecstatic/exhilarating/facetious/jocund

　　/jaunty/sanguine

　　8) 促进、抑制：

　　abet/aid/assist/catalyze/encourage/facilitate/foment/foster/goad/ignite

　　/impel /incite/incubate/instigate/permit/precipitate/prod/provoke/promote/

　　rouse/spur/ stimulate/trigger/ vitalizearrest/ban/check/curb/extinguish

　　/forbid/forestall /frustrate/hamper/hinder/impede/inhibit/obstruct/quell/rein

　　/repress/restrain/ scotch/squelch/stymie/subdue/stifle/thwart

　　9) 清晰、模糊：

　　clear/limpid/lucid/pellucid/translucent/transparent/claritymurky/

　　opaque/obscure/turbid/vague/obfuscate

　　10) 扩大、缩小：

　　aggrandize/amplify/broaden/dilate/distend/expand/inflate/swell

　　constrict/contract/ condense/compress/deflate/shrink

　　11) 健康、不健康：

　　healthful/hygienic/innocuous/salubrious/salutary/wholesome

　　debilitating/deleterious/detrimental/injurious/nocuous/noxious/

　　mischievous/ lethal/pernicious/virulent

　　12) 持续、短暂：

　　chronic/constant/enduring/gradual/lasting/incessant/perennial/permanent/

　　perpetual/persistentevanescent/ephemeral/fleeting/fugacious/

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