The phrase "considered strange" is correct and commonly used in written English.
It typically means that something is perceived or thought to be strange or unusual by others. Example: The way she dressed was considered strange by her classmates, but she didn't care because she felt comfortable and confident in her own style.
This was not considered treason, even if, perhaps, it was considered strange.
It's fascinating to see again some of the early plays, which were once considered strange.
No doubt, the Italian sonatas, considered "strange songs and sounds" (extrañas canciones y tañidos) in Madrid in 1677, revolutionized violin-music composition and performance in Spain.
If more fathers took leave, then doing so wouldn't be considered strange, and devoted fathers wouldn't be degraded for placing their families first.
"In the U.K., I am considered strange, this exotic girl from the North who is told she is avant-garde because she is writing about the country".
I may sometimes yearn to unplug and smell the roses, but it's difficult to disconnect when I fear that doing so will be considered strange or insulting.
More than ever, we need people who are different – people who don't think like other people think, and do things which other people might consider strange or out of the ordinary.
There are options that we might consider strange, but they make sense.
To materialists this might seem implausible, but even physics, the bedrock of materialism, considers strange forces such as entanglement about which Einstein quipped 'spooky action at a distance'.
At times, I have observed this anniversary in ways that some might consider strange.
Kids today have been trained on the rapid action of TV cartoons or dramas, so they're unprepared for the (classical music) art form and likely to be bored by what they consider strange.
