The phrase "a very treacherous" is correct and usable in written English.
It can be used to describe something that is extremely dangerous or deceptive, often in a context related to physical environments or situations involving trust.
Example: "The hikers were warned about the very treacherous conditions of the mountain trail after the recent storm."
Alternatives: "extremely perilous" or "highly dangerous".
"This is a very treacherous market right now," said Bill Allyn, head of listed trading at Jefferies & Company.
And then there is a very treacherous movement, which is inside the cable — a kind of torque, with the cable moving on itself.
Meanwhile back on 16, more putting lunacy from Bubba Watson; he duffs a putt from the fringe, leaving himself a very treacherous downhill 40-foot drifter.
"This is a very treacherous policy world right now," said Kevin A. Hassett, a Republican economist who worked for Senator John McCain in the 2000 presidential campaign.
And then there is a very treacherous movement, which is inside the cable a kind of torque, with the cable moving on itself.
Writing to a friend, he admitted that, faced with a "very treacherous" enemy, "not a few of the officers, especially those of the native scouts, and not a few of the enlisted men, began to use the old Filipino method of mild torture, the water cure".
Anyone presuming to construct a show out of the cabaret songs and skits that Jewish artists performed for one another while in a Nazi prison camp is in very treacherous waters.
"It's a very long, treacherous journey," says Ms. Ahmed.
"This gives me a certain amount of leeway in navigating the very treacherous issues that beset adapting His Dark Materials for the screen.
Very striking as a lesson in abstract distortion, they were also very treacherous, since if you looked at the walls' false painted treads while going up or down, you were likely to miss the reality of the shallow wooden steps beneath your feet.
"These people are serious and very treacherous," pleads Canadian Robert Hall as one man holds a machete near his throat and yanks his head back.
