travail

He sat glum and thoughtful, his mind in unproductive travail, until the captain was announced.

How terrible that perpetual recommencement, that ocean bed, those Danaïdes-like clouds, all that travail and weariness for no end!

From the laborious travail of his brain issued at length an odd mass of arabesques with which the walls were somehow covered.

My nine weary months of arduous travail and half-frantic anticipation were cruelly wasted.

He shall see of the travail of his soul, and shall be satisfied.