“以便”的拼音为：yǐ biàn...

玛丽把头向后仰，以便能看到他。Mari tilted her head back so that she could look at him.她保留了许多副本以便作进一步的注解。She retained a number of copies for further annotation.手边放一本便笺簿，以便有问题时随时记下。Keep a pad handy to jot down queries as they occur....

“以便”的英语可以翻译为：so that，in order to，so as to，with the aim of，to the effect that ...