I thought it might be true.（英译中)

But once I made the decision, I went at it with all flags flying.（英译中)

I think these interesting old customs should be preserved.（英译中)

I think we may learn much from it.（英译中)

I wish I could be a master of this subject.（英译中)

I think it would be a kindness to tell him the bad news straight away.（英译中)

I must be going.（英译中)