1.require to 需要
例句:Drain piping may require to be protected against freezing.
泄水管要求有防冻保护措施。
2.due to 由于；因为；应归于
例句:Council members are due to have informal discussions later on today.
委员会成员定于今日晚些时候进行非正式讨论
3.hold up 举起；耽搁；阻挡
例句:Democrats say arguments against the bill won't hold up.
民主党人声称反对该议案的论点站不住脚。
4.no matter 无论；不管
例句:No matter where you go in life or how old you get, there's always something new to learn about. After all, life is full of surprises.
不管你生活在哪里，你有多少岁，总有新东西要学习，毕竟，生活总是充满惊喜。
