so as not to; in order not toUsed to express a purpose or precaution to avoid doing something. It is commonly followed by に, as in しないように. The form consists of the negative verb ending しない and よう, meaning “way” or “manner.”
JA: 大きな間違いをしないように、もっと気をつけなければならない。
EN: You must be more careful so as not to make a big mistake.