Sentence examples for are usually difficult from inspiring English sources

Geometric distortions are usually difficult for watermark to survive.

Such reforms are never easy to initiate and are usually difficult to complete.

People who say that other people are difficult are usually difficult.

However, these features are usually difficult and inconvenient to be accurately obtained in practice.

The typical changes that patients with diabetes have to make in their lifestyle are usually difficult.

Universal optimal block designs under general correlation structures are usually difficult to specify theoretically or algorithmically.

Desynchronization attacks that cause displacement between embedding and detection are usually difficult for watermark to survive.

Geometric distortions that cause displacement between embedding and detection are usually difficult for watermark to survive.

Bacterial and fungal microfossils are usually difficult to study, unless a prepared thin-section of rock containing them is available.

Given the complexity of bargains struck between big retailers and their suppliers, such cases are usually difficult to prove.

"We love getting land, but buildings are usually difficult for us because they require such upkeep," Mr. Spano said.