Sentence examples for it is tricky to define from inspiring English sources

Such extremes aside, it is tricky to define what levels of sound are acceptable.

We can all observe lessons and state that the lesson was "good", but without clear cognition, it is tricky to define what actually constitutes "good teaching".

It's tricky to define cause and effect.

Severity is tricky to define as it includes everything from the virulence of a particular influenza strain to the vulnerability of a particular population and its ability to respond, Fukuda said, which means it can differ from place to place.

That is tricky to define or identify, but it certainly happens.

Englishness is tricky to define, not least because it tends to shun large gestures and rhetorical flourishes.

Bubblegum, like any pop subspecies, is tricky to define.

"Talk" is tricky to define.

Music genres these days are tricky to define.

The main focus of the speech was tricky to define.

Relative greatness can be tricky to define across tennis eras.