• adj. 重大的；有效的；有意义的；值得注意的；意味深长的
• n. 象征；有意义的事物

sign,标记，记号，-fic,做，使，词源同 fact,efficient.引申比喻词义重要的，有意义的等。

significant (adj.)

1570s, "having a meaning," from Latin significantem (nominative significans, present participle of significare "make known, indicate" (see signify). Earlier in the same sense was significative (c. 1400). Often "having a special or secret meaning," hence "important" (1761). Related: Significantly. Significant figure is from 1680s. Significant other (n.) attested by 1961, in psychology, "the most influential other person in the patient's world."

1. Today's Security Council resolution will be a significant success for American diplomacy.

今天的安理会决议对于美国外交而言是一次重大的成功。

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2. The learner's attention needs to be directed to the significant features.

需要将学习者的注意力引向那些着重点上。

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3. The company looks poised to make a significant breakthrough in China.

这家公司看来很有把握在中国取得重大突破。

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4. It was clear that there was significant support for the Islamists.

显然伊斯兰教徒获得了相当多的支持。

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5. Two significant constants have been found in a number of research studies.

若干研究已经发现了两个重要常量。

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