Alle inspanningen van de artsen mochten niet baten.
Literal Breakdown
Summary
The Dutch translation for “All the efforts of the doctors were of no avail.” is Alle inspanningen van de artsen mochten niet baten.. The Dutch, Alle inspanningen van de artsen mochten niet baten., can be broken down into 4 parts:"efforts" (inspanningen), "doctors" (artsen), "may" (mochten) and "benefits" (baten).Practice Lesson

Acknowledgements
English source
Dutch source