一再

一再 [yī zài]

1. ■ time and again; again and again; repeatedly:

一再表示感谢 express one's gratitude again and again;

一再高呼 shout again and again;

一再警告某人 caution sb. repeatedly;

一再宣称 declare time and again;

同样的变化一再发生。 The same changes took place again and again.

事实一再证明能量可从一种形式转变为另一种形式。 Facts have proved time and again the truth that energy can be changed from one form into another.