Many problems, however, escape detection.

　　然而許多問題卻未被察覺。

　　There is no escape from the long arm of the law.

　　法網恢恢，疏而不漏。

　　They escaped out the back way.

　　他們從后門逃走了。

　　She began to lay her plans for her escape.

　　她開始周密策劃準備逃走。

　　He took an elaborate escape route from South Africa to Britain.

　　他周密安排了一條路線從南非逃往英國。