1.at last 最后;最终
The case came to an end at last.
这案子终于完结了
2.in the middle of 在......中间;在......的中部
I reached for the lamp, which stood in the middle of the table.
我伸手去够位于桌子中央的灯
3.dedicate to 奉献;致力于
We dedicate to provide integrated logistics services for our clients.
我们致力于为客户提供一体化的整合物流服务
。4.suffer from 遭受;患病
I still suffer from catarrh and sinus problems.
我仍然患有黏膜炎和鼻窦炎
。