These events have stiffened our resolve to succeed. 这些事件增强了我们争取成功的决心。
Penalties for selling illegal drugs have been stiffened. 对贩卖毒品的处罚加重了。
Stiffening competition in the market has led to a reduction in the company's profits this year. 市场日趋激烈的竞争导致了公司今年利润的下降。