I'm most grateful to you for taking so much trouble to explain the best way of getting there.
你不厌其烦地给我解释去那里的最佳途径,我对些深表感激。
The sides of the dish were so smooth that it was almost impossible to attach hawsers and chains to the rim without damaging it.
盘子四边十分光滑,要在盘边拴上绳索或链条而同时又不损坏它是很难办到的。