He has been criticized for flip-flopping on several key issues.

他由于在几个关键问题上变卦而备受指责。

《柯林斯英汉双解大词典》

The vice-president was accused of flip-flopping on several major issues.

副总统受到谴责，说他在几个重大问题上出尔反尔。

《牛津词典》

His rivals often mock him for flip-flopping.

他的对手经常模仿他的朝秦暮楚。

youdao

Flip-flopping from monarchy to military rule to democracy and back again makes for a wobbly foundation.

WSJ: Riding Brazil's River of Doubt

At least he would then be flip-flopping towards common sense, instead of away from it.

ECONOMIST: Mitt Romney��s economics: Flip back please | The

Scottish Conservative leader Annabel Goldie MSP accused the Liberal Democrats of having "turned flip-flopping into an art form".

BBC: Lib Dem MSP calls for referendum