when the chips are down(when you are in a very difficult or dangerous situation, especially one that makes you understand the true value of people or things: 'More)
for a good five minutes("Whatever was moving beneath the surface seemed pretty large and was moving directly across the line of waves, at right angles, rather than with it." "It was long with two distinct fin-like shapes either side of it." "I stood and watched for a good five minutes before it just seemed to disappear into the depths." While he was watching it, he grabbed his mobile phone and snapped pictures of what he saw.mysteriousuniverse.orgART Vancouver)