He occupied the apartments in which I passed the three most laborious and anxious years of my life.

The most laborious effects sequences took place inside Spacedock; months were spent completing the station's interior shots.

Kepler arrived at these laws after 30 years of the most laborious and tedious calculations imaginable.

Of all the styles it is the most laborious and there are few professionals able or willing to continue the tradition.

"Forgive me, Guildsman, but once again it seems a most laborious way of going about things."

"The most laborious thing we do is getting the return out of the envelope," Mr. Gardiner said.

On the facade, the most laborious task is the repointing of each piece of limestone.

The distance seemed interminable, and the walk was most laborious.

We have the greatest riches, the greatest fertility, the purest blood in our great families, the most laborious population.

Trial division is the most laborious but easiest to understand of the integer factorization algorithms.