Sentence examples for were difficult to spot from inspiring English sources

For all their success with Kepler, Nasa scientists knew that more planets lay hidden in the telescope's observations, but the signals were so weak they were difficult to spot.

At first they were difficult to spot around the bobsleigh paddock, wrapped up under hats and jackets and lugging sleds with their teammates.

Sleep deprivation is difficult to spot in children.

Unlike physical bullying or verbal aggression, relational aggression can be difficult to spot.

Divided and confused, the LDP is in transition.As a result, rising stars are difficult to spot.

Battlefield 3 is more realistic; enemies take cover and can be difficult to spot.

It was difficult to spot many saints among that little lot.

It is difficult to spot an empty seat on the apron.

The problem with sepsis is it can be difficult to spot and diagnose.

Stringer acknowledged that it could be difficult to spot men at risk.

Only the most reclusive animals - jaguars, ocelets, pumas - are difficult to spot.