1. behind the times
I don't like these new smartphones. I may be a bit behind the times but I do miss my old phone.
Of course grandpa doesn't have a cell phone—he's behind the times, as usual.
2. backward
He fell backward.
At a certain age, it's not viable for men to take a backward step into unskilled work... the backward nomadic hunting societies.
He bent over backward to please his wife.
don't look backwards.
The actress fell backward over the stage.
For a long time society was strongly hierarchal and unequal, primarily composed of peasants. The most backward, impoverished population, were crushed by the weight of the taxes, wars, and famines.
Social conditions are going backward rather than forward.
It is important to maintain backward compatibility with software that was written to run on the former system.
She is backward in expressing her opinion.
He is backward in science.
she had spent years in a small backward village
The people may seem a little backward but they're very friendly.
Count backward from 10.
a backward glance
The t's are written with a backward slant.
英語 "という言葉zacofany"(backward)集合で発生します。
NASA Crew Emerge from Simulated Mars Habitat After...be 41 pol gen warMATURA EXPLORER - module 2pora na nauke