1·A troublesome area is the management of the keys used for encryption and authentication.
一个麻烦的领域是用于加密和身份验证的密钥的管理。
2·The problem appears to be more troublesome in newly constructed homes rather than old ones.
这个问题似乎在新建房屋里比在老房子里更为麻烦。
3·In Brussels these days, it is the Dutch, not the troublesome British, who often block deals.
在布鲁塞尔的这些天，经常阻止交易的是荷兰人，而不是麻烦的英国人。
4·What I remember, however, is how we took up the "extremely troublesome" work of ongoing criticism.
然而，我记得的是，我们是如何在持续的批评中着手进行这项“非常麻烦”的工作的。
5·What I remember, however, is how she took up the "extremely troublesome" work of ongoing criticism.
然而，我记得的是，她是如何在持续的批评中进行这项“极其麻烦”的工作的。