It is risky to stand near the edge of a cliff on a windy day.
The dynamic driving environment can become risky very quickly.
Risky is an adjective. An example sentence is "He was planning a risky endeavor."
Thomas thought that his friend driving while drunk was rather risky.
There are no known risks associated with the use of echocardiography
He died an early death due to his risky lifestyle. After his promotion, he could afford a more luxurious lifestyle.
Less risky than carrying it (or anything illegal or illicit) but far more risky than just not packing it at all. Some airports use dogs to check baggage for bombs and drugs.
i do not know how to use embalming in a sentence. (there is the sentence)
Hand loading for a Revolver could be said to be a bit risky nonetheless I'm going to give it a try.
Learning to perform on the balance beam must very risky. There are several exercises that you can do to improve your sense of balance.
Risk Priority List
So- you are asking when to use 'when' in a sentence. When you are asking how to use when in a question, you are already using when in a sentence, because a question actually is a sentence. I like to use when in a sentence whenever I like.
How do you use sedition in a sentence