1.hold back 阻挡;阻止
Farmers apparently hold back produce in the hope that prices will rise.
农民囤积农产品显然是希望价格能够上涨 。
2.so-called 所谓的,号称的
Reading the ideas of the so-called experts, I am not surprised the country is in such a state.
读了这些所谓的专家的想法后,我对于该国的这种现状一点也不感到奇怪了 。
3.set off 引发;触发;激起
The arrival of the charity van set off a minor riot as villagers scrambled for a share of the aid.
救济物资车的到来引发了小小的骚乱,村民们争先恐后地想抢到一份援助物资 。