1.Failing to pass the examinations for admission to college he had to get in by the back door.
由于大学入学考试不及格，他不得不走后门。收藏指正
2.The importing of tortoises is now officially banned, but some still seem get in by the back door and find their way into pet shops.
官方现在禁止进口乌龟，但有些乌龟似乎仍然通过后门进来了，并流入了宠物商店。收藏指正