Sentence examples for become difficult to test from inspiring English sources

All too quickly the hypothesis expanded towards explaining everything and has become difficult to test.

How dare you imply that I am not?' " While it has always been important to protect and support H.I.V.-infected men in the gay community, Odets argues that it has become difficult to teach men who test negative how essential it is for them to remain uninfected.

"It has become difficult to prevent expansion of a nuclear arms race because of South Korea's test".

But it has become difficult to keep this up.

Even borrowing it has become difficult to impossible.

What sets them apart has become difficult to define.

Grain become difficult to procure.

ODE models quickly become difficult to handle in larger networks.

Increasingly, however, reciprocal relations had become difficult to sustain.

Bleeder bolts can become difficult to remove.

It will become difficult to manage and put boundaries down.