Get down to bedrock - focus on the most important aspects of a situation; deal with the essentials; come to the point. Also:  Get down to business, Get down to the brass tacks or Get down to the nitty-gritty

The sharp end - the part of an activity or a job where most problems are likely to be found

Here's the idiom for today Out of the woods - out of difficulties, danger or trouble

A CLOSE SHAVE - a situation in which you come very close to danger or disaster

Play with fire - act in a way that is dangerous, take risks. Igrati se vatrom, raditi nešto rizično