cost somebody dear/dearlySUFFERto make someone suffer a lot or to lose something important 使某人付出沉重代价 A couple of missed chances in the first half cost them dear. 上半场几次错失良机使他们付出了高昂的代价。
The scandal has cost Nicholson dearly. 这桩丑闻使尼科尔森代价惨重。
→ cost somebody dear/dearly at cost2(2)