first off

同根派生

英汉例句

• The compass was first used in sailing.
  罗盘首先用在航海上。
• I must finish my homework first.
  我必须首先做完家庭作业。
• At first I didn't know what had happened.
  起先我不知道发生了什么事。
• It is easy at first, but we are in deep water now.
  起先很容易，但现在我们陷入了困境。
• The agency was a shoestring operation at first.
  这家经销店刚开始时是小本经营的生意。