laboured

Ripperda accompanied this unexpected refusal, with a laboured epistle to his imperial friend.

The tops of the hills were laden with thunder-clouds, and the turbid atmosphere laboured with the stifling Sirocco.

"But it was n't a lie," Punch would begin, charging into a laboured explanation that landed him more hopelessly in the mire.

He placed the paper on the table, and, ere he read a syllable, he laboured to compose himself.

She would stand behind a boulder or a hedge, and would watch him while he laboured in the field.