He crept in so as not to disturb his sleeping parents.

　　他躡手躡腳地走進去，以免驚醒熟睡的父母。

　　She had put her hair up so as to look older.

　　她把頭發(fā)盤起來以便讓自己看起來更成熟些。

　　Services must be structured so as to avoid pitfalls.

　　服務業(yè)必須形成層次結構以免隱患。

　　The mother moved around softly so as not to disturb the sleeping child.

　　母親輕手輕腳地走動，生怕驚動了熟睡的孩子。

　　I live here alone so as not to be disturbed by others.

　　我一個人住在這里，就是想耳根清凈些。