erratic

英 [ɪˈrætɪk]

美 [ɪˈrætɪk]

adj. 不规则的; 不确定的; 不稳定的; 不可靠的
n. 漂砾; 漂石

复数：erratics　

TOEFL IELTS GRE TEM8

Collins.1 / BNC.9568 / COCA.10635

牛津词典

adj.

不规则的；不确定的；不稳定的；不可靠的
not happening at regular times; not following any plan or regular pattern; that you cannot rely on
1. The electricity supply here is quite erratic.
  这里的电力供应相当不稳定。
2. She had learnt to live with his sudden changes of mood and erratic behaviour.
  她已经学会适应他那变幻莫测的情绪和难以捉摸的行为。
3. Mary is a gifted but erratic player (= she does not always play well) .
  玛丽是一名有天赋的运动员，但发挥不稳定。

noun

漂砾；漂石
a large rock that is different from the rock around and was left behind when a large mass of ice melted

柯林斯词典

ADJ-GRADED 不稳定的;难以预测的；不规则的
Something that iserraticdoes not follow a regular pattern, but happens at unexpected times or moves along in an irregular way.
1. Argentina's erratic inflation rate threatens to upset the plans.
  阿根廷动荡不定的通货膨胀率可能会破坏那些计划。
2. ...the family's erratic affairs.
  那个家庭发生的稀奇古怪的事情

双语例句

But one near certainty is that ill-conceived, erratic and potentially dangerous behaviour looms.
但几乎确定无疑的一个势头是，朝鲜眼看着很可能做出欠缺考虑、反复无常而且可能带来危险的行为。
A pretty good place to be, very pleasant, although the weather can be erratic at times.
一个很好的地方是，非常愉快，虽然天气有时会不稳定。
The way India divvies up spectrum is unfair and erratic, which deters investment. It is also wasteful.
印度的频谱分配方式既不公平也反复多变，抑制了投资，也造成了浪费。
He's a very erratic player.
他是一个反复无常的运动员。
Erratic weather, trade policies, and seasonal lags have slowed producers 'response to the higher prices.
多变的天气、贸易政策和季节性滞后减缓了生产者应对粮食价格上涨行动的速度。
Our rowboat's course was erratic after we lost the oars.
丢了桨之后我们划艇的航向飘忽不定。
Argentina's erratic inflation rate threatens to upset the plans.
阿根廷动荡不定的通货膨胀率可能会破坏那些计划。
He is an erratic fellow whose actions are usually completely unpredictable.
他是一个古怪的人，行为常常令人捉摸不定。
In nature, it is no problem if you have very erratic production from year to year.
在自然界，如果年复一年的产品很不规则，那是没问题的。
He's so erratic and difficult to work with, don't you think?
他那么奇怪，很难共事，你不觉得吗？