After the long climb to the conference hall, several guests' breathing was labored.

爬了很長的路到會議廳後，好幾位來賓都喘得很吃力。

The negotiations were slow and labored, but both companies finally signed the shipping contract.

談判過程緩慢又費力，但兩家公司最後還是簽下了運輸合約。

His labored explanation of the budget cuts left the finance team more confused than before.

他對預算刪減的解釋說得很吃力，反而讓財務團隊更困惑。