• adj. 不穩(wěn)定的；古怪的
• n. 漂泊無(wú)定的人；古怪的人

來(lái)自PIE*ers, 漫游，偏離，引申義錯(cuò)誤，詞源同error. 即漫游的，偏離的。

erratic (adj.)

late 14c., "wandering, moving," from Old French erratique "wandering, vagrant" (13c.) and directly from Latin erraticus "wandering, straying, roving," from erratum "an error, mistake, fault," past participle of errare "to wander, err" (see err). Sense of "irregular, eccentric" is attested by 1841. The noun is from 1620s, of persons; 1849, of boulders. Related: Erratically.

1. Douglas was a 29-year-old journeyman fighter, erratic in his previous fights.

道格拉斯29歲，是個(gè)技術(shù)不錯(cuò)的拳擊手，在以前的比賽中發(fā)揮不太穩(wěn)定。

來(lái)自柯林斯例句

2. Argentina's erratic inflation rate threatens to upset the plans.

阿根廷動(dòng)蕩不定的通貨膨脹率可能會(huì)破壞那些計(jì)劃。

來(lái)自柯林斯例句

3. Businessmen are displeased with erratic economic policy-making.

商界人士對(duì)變化無(wú)常的經(jīng)濟(jì)決策很是惱火。

來(lái)自柯林斯例句

4. The electricity supply here is quite erratic.

這里的電力供應(yīng)相當(dāng)不穩(wěn)定。

來(lái)自《權(quán)威詞典》

5. He is a very erratic football player.

他是個(gè)技術(shù)非常不穩(wěn)定的足球隊(duì)員.

來(lái)自《簡(jiǎn)明英漢詞典》