Sentence examples for proved difficult to clean from inspiring English sources

The metal fixtures proved difficult to clean, however, and in England during the 1870s Thomas Twyford developed the first large one-piece ceramic lavatories as well as the ceramic washdown water closet.

Debris from five of the trees — such as twigs, leaves and berries — could damage the track and prove difficult to clean.

Neutrality proved difficult to maintain, though.

Alas, it proved difficult to find.

Genocide has proved difficult to prosecute.

The effect proved difficult to measure.

Yet reform proved difficult to implement.

The furlough plan proved difficult to enforce.

The advice proved difficult to follow.

Spectacular early results proved difficult to sustain.

The latter aim proved difficult to enforce.