But this exploration has not been seriously undertaken.

Although there had been whale and cod fisheries after that, it wasn't until the arrival of the Old Colony Railroad during the mid-1840s that residential development was seriously undertaken.

Other measures were unfortunately not undertaken seriously; unlike better health provision they impinged directly upon the political and economic interests of dominant classes or groups.

However, specialized training of units for cold weather and mountain warfare was not seriously undertaken until the approach of World War II.

It must be very steadily and seriously undertaken, Mrs Pipchin.

This little episode shows how Norman regarded the stress which accompanies any art form when it has been seriously undertaken.

Autobiography is a remorselessly demanding literary form when it is undertaken seriously.

It is an extended version of his doctoral dissertation, written before the author had seriously undertaken the study of mathematics.

Little Herbon had seriously undertaken the task of making the idiot drunk, and Baron d'Etreillis whose wits were not always particularly sharp, was questioning old Jean-Jean about the life, the habits, and the rules in the hospital.

This is a very ambitious project, and such an exercise needs to be seriously undertaken and properly funded.