ulotny v angličtině:

fashions are ephemeral

Marijuana bust's impact on neighborhood will be fleeting, residents say.

a fleeting glimpse

Driving in a car on the highway, you see a unicorn in the woods, but you only get a fleeting glimpse of it because you’re driving too fast.

Quick interactions can lead to a feeling that sociologists call "fleeting intimacy."

For a fleeting second all I could think was, will this day never end?

We met for one fleeting moment, and then she was gone.

Jonathan said the waves were not only rare, but fleeting.

Art is long, time is fleeting.

Charm is deceptive, and beauty is fleeting; but a woman who fears the LORD is to be praised.

The war on Iraq is a volatile subject of political debate; any wrong word and a heated argument could spark.

Due to the volatile nature of the marketplace at the moment, I don’t think we should make any large investments for the time being.

“Our relationship was intensely passionate and at times volatile, but always bound by love,”

a volatile situation or character is likely to change suddenly and unexpectedly

In a volatile market shippers and hauliers are challenged to optimize transport assignment strategy.

We need someone who is calm, patient and level-headed. Joe is far too volatile.

volatile market

Since then, however, the market has become much more volatile.

The exchange rate is highly volatile.

Highly volatile personality. So volatile price

If the air pollution is particularly complicated, then Reginald’s DRO will place non-volatile compounds into Sally’s smokestacks and follow them to where they land.

Soviet and Western observers have warned that if the Muslim republics do not join the commonwealth, they may from a separate group, setting up a volatile ethnic and religious split.

For things that have had contents with volatile oil like thinners they should be left for a few days to completely evaporate it before being disposed of as non-flammable waste.