I hope you won't take offense, But will accept what I say here as some fatherly advice.
我希望你不要反感,能够接受我这父亲般的建议。
Hardships never come alone.
祸不单行。
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.