Negotiations with the supplier were tough sledding, but we finally reached an agreement.

與供應商的談判進展艱難，但我們最終達成了協議。

Getting the new billing system approved has been hard sledding for the finance team.

新帳務系統的核准過程對財務團隊來說一直很難推進。

After the merger, it was smooth sledding for the hiring process across all branches.

合併之後，各分公司的招募流程就進行得很順利。