I can't ask him for a raise, I have no experience in negotiation.
我不能叫他给我加薪,我在谈判方面没经验。
How did you sign the letter?Did you write, sincerely yours?
你怎么签名信的?你写了"真诚地你的"?
As a shipbuilder, Cockerell was trying to find a solution to the problem of the wave resistance which wastes a good deal of a surface ship's power and limits its speed.