起先用英语怎么说？

起先

例句

• The union has dropped its earlier insistence that workers should receive bonus payments. 工会起先坚持工人应当得到奖金，但是现在已经不再坚持了。
• I've recommended a preemptive Exocet Missile attack against his airforce. 我曾经提议过发起先发制人的飞鱼飞弹攻击他的空军.
• I'd have to send Tina on ahead with Rachael. 我只有让蒂娜和雷切尔一起先行一步。
• The person he had trusted turned out to be a twister. 他起先信任的人结果却是个冤家.
• Objective : To detect ED 1 gene mutation in three hypohidrotic ectodermal dysplasia ( HED ) nuclear families. 目的: 研究少汗性外胚叶发育不全引起先天缺牙的ED1基因突变.
• At first I really didn't care whether he came or not. 起先我真的不在乎他是否会来。
• At first, he was told he was too young and I thought, 'Oh, boy, here we go again.'... 起先，他被告知他太年轻了，我心想，“哎，又是老一套。”
• Other people walk along the beach at night, so I didn't pay any attention at first... 入夜后还有人在沙滩上散步，起先我并没注意到。