Merging the two accounting systems proved more arduous than the finance team had expected.

整合兩套會計系統比財務團隊預期的還要艱辛。

After an arduous fourteen-hour flight, the sales director went straight to the client meeting.

經過十四小時累人的飛行後，業務總監直接趕去參加客戶會議。

The hiring process was arduous, with four rounds of interviews and a written assessment.

這次的招聘流程很辛苦，共有四輪面試外加一場筆試。