The children were asked to line up against the wall.
孩子们要求靠墙排齐队伍。
The bottom line of all this is, you can't just put up a wall around something and expect it to protect it against every possible threat.
所有这一切的底线是，你不能简单的筑起高墙指望它能防范一切可能的威胁。
When it comes time to shoot the entire family, don't just line them up against the wall, execution-style.
照全家福时，可以不必让全家人都靠墙站成一条线，像行刑一样。
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