underbelly
美 ['ʌndər.beli] 
英 ['ʌndə(r).beli] 
- n.脆弱点;薄弱环节;(动物的)下腹部
 - 网络小肚子;小腹;下腹部的
 
复数:underbellies  
underbelly
显示所有例句
1.  | 脆弱点;薄弱环节the weakest part of sth that is most easily attacked  | 
The trade deficit remains the soft underbelly of the US economy. 贸易赤字仍是美国经济的软肋。  | 
2.  | (动物的)下腹部,腩the underneath part of an animal  | 
He became familiar with the dark underbelly of life in the city(= the parts that are usually hidden) . 他逐渐熟悉都市生活的阴暗面。  |