1·Many students have insufficient science and mathematics background to gain entrance to engineering school.
许多学生没有足够的科学和数学知识背景得到进入工程学院的许可。
—— 《柯林斯英汉双解大词典》
2·The police were unable to gain entrance to the house.
警方怎么也进不去这栋房子。
—— 《牛津词典》
3·To gain admission into universities, Iranian applicants must take a national entrance exam given once a year.
要进入大学学习，必须申请参加每年一次的国家入学资格考试。
4·They attempted to gain access through a side entrance.
他们试图从侧门进入。
5·The main Mtangwe route, a 390-meter tunnel that resurfaced in the center of New Mombasa's industrial zone, had been his best bet to gain entrance into the city without being spotted by the enemy.
蒙坦瓦主干道是一条通向新蒙巴萨工业区中心的390米长的隧道，也是他潜入城区的最佳选择。