倍 meaning in English

• Ⅰ名词
  (跟原数相同的量) times Phrases
  五倍 five times; 百倍 hundredfold; 该厂产量成倍增长。 the output of the factory has doubled and redoubled. 十是五的两倍。 ten is twice as much as five.Ⅱ形容词
  (加倍) double; twice as much Phrases
  事半功倍 get twice the result with half the effort; 倍加兴奋 doubly excited; 信心倍增 with redoubled confidence; 加倍小心 be doubly cautious

• 倍，重:    fold
• 倍；乘:    times
• 比……大17倍:    times greater

Examples

1. The girls have to be five times as smart .
   那些姑娘们无疑要聪明五倍。
2. The sample size would have to be quadrupled .
   样本量必须增大三倍。
3. The baby doubled its weight in a year .
   婴儿的体重一年增加了一倍。
4. He came in shyly, escorted by christine .
   他由克丽丝汀倍伴着腼腆地走进来。
5. Gas prices would double in 1979 .
   汽油价格在1979年要上涨一倍。