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1. after all 毕竟；终究 e.g. You should forgive him for his forgetfulness; after all, he is over seventy. 你应该原谅他的健忘症，毕竟他已经七十多岁了。 e.g. The old methods proved best after all. 采用老方法结果反而是某事物最好。 2. against ones will 违背意愿 e.g. I am forced to sign the agreement against my will . 我被迫违心地在协议上签了字。 3. at the age of 在岁时 4. achieve ones aim 实现目标 e.g. Teaching efficiency is one of the important targets achieve the aim of the swimming and health lesson , s teaching methods , innovation and development in Universities . 大学游泳与健康课教学方法创新与改革的目标，其中一项重要的优化指标是教学效率。 5. in the open air 在户外，在露天里 6. at the airport 在机场 7. the fire alarm 火警 fire alarm evacuation signal 火警疏散信号 sound the fire alarm 拉响火警报警器; 鸣响火警警报 fire alarm system 火灾报警系统 e.g. On hearing the fire alarm , all the workers laid down their tools and rushed the warehouse . | 
