the ice on the lake was rock-solid

listen to the pronunciation of the ice on the lake was rock-solid
Английский Язык - Немецкий Язык

Определение the ice on the lake was rock-solid в Английский Язык Немецкий Язык словарь

The ice on the lake was rock-solid.
Das Eis auf dem See war bretthart/brettlhart/pickelhart