four times

• 表示乘以四或重复四次；常用于数学、计量和日常计数。

A phrase indicating multiplication by four, or the occurrence of something on four separate occasions. It is commonly used in mathematics, measurements, and everyday counting.

1. Multiplicative quantityA2formal

   Used to indicate a quantity multiplied by four or occurring on four occasions.

   四次

   • He called me four times yesterday.
   • The recipe requires four times the amount of sugar.
   • She visited the museum four times last year.

2. Comparative degreeB1formal

   Used to compare something as being four times greater in size, amount, or degree.

   四倍

   • This box is four times heavier than that one.
   • The new model is four times faster than the old one.
   • Her salary is four times higher than mine.