erratic

1. ADJ Something that is erratic does not follow a regular pattern, but happens at unexpected times or moves along in an irregular way. 不規(guī)則的; 不穩(wěn)定的

Argentina's erratic inflation rate threatens to upset the plans. 阿根廷動(dòng)蕩不定的通貨膨脹率有打亂這些計(jì)劃的危險(xiǎn)。

2. erraticallyADV 不規(guī)則地; 不穩(wěn)定地

Police stopped him for driving erratically. 警察因其駕駛不循規(guī)則而把他攔下了。