Sentence examples for are difficult to break from inspiring English sources

These classifications are old habits of a racist order that are difficult to break.

Built of desperation and fear, the bonds they form with their pimps are difficult to break.

The extra pressure was needed because chemical bonds between nitrogen atoms are difficult to break.

Yes, the patterns established through decades of sales behaviors are difficult to break.

And there is ample evidence that terrorists have made use of encryption technologies, which are difficult to break.

Dioxins are difficult to break down in the body and are potentially carcinogenic if ingested over long periods in large quantities.

It's difficult to break them down.

The cycle is difficult to break.

It'd be difficult to break in there.

It is difficult to break from the past.

And while old habits may be difficult to break, MetroCards are not.