Group (2) - Spelling Practices

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(1) (限制) limit narrowly; confine; draw a line around; encircle
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(2) (慎重,周到) carefully aware of all circumstances; cautious
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(3) (隱蔽的,暗地裡的,偷偷摸摸的) secretive, not openly shown
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(4) (死的,不存在的,報廢的) dead; no longer in use or existence
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(5) (威懾,嚇住) keep from; stop; prevent or discourage from acting
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(6) (有害的) causing damage or harm; injurious
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(7) (哀歌,淒涼之曲調) a piece of music of a mournful character, to accompany funeral rites; funeral hymn
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(8) (難以理解的,深奧的) hard to understand; known only in a particular group
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(9) (語源學) study of historical development of languages, particularly as manifested in individual words
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(10) (委婉的表達) mild expression to replace offensive, unpleasant, or embarrassing one