Some factor, perhaps, that we would learn only after long and careful study.

After long studies in 1969 it was declared a separate language.

They stopped at a red light, and she gave him a long study.

After long and close study, he had a way picked out.

Mac closed the door behind him and took a good long study of her.

This was the start of a 15-year long study to be a medium.

Such is a matter of long study, not something to be done in an hour.

When she didn't answer, he took another long study of her face.

After long study and acquaintance you may be able to put yourself in the place of a few friends.

After a long study of the man behind the bar, she smiled.