just when
Synonyms
Examples
War is just when it is necessary; arms are permissible when there is no hope except in arms.
It is so characteristic, that just when the mechanics of reproduction are so vastly improved, there are fewer and fewer people who know how the music should be played.
Just when things look darkest, they go black.
Most people give up just when they're about to achieve success. They quit on the one yard line. They give up at the last minute of the game one foot from a winning touchdown.
Just when you think there's nothing to write about, Nixon says, "I am not a crook." Jimmy Carter says, "I have lusted after women in my heart." President Reagan says, "I have just taken a urinalysis test, and I am not on dope."
Just when you think you know something, it gets turned around and challenged in some way. But those changes are welcome because you end up learning more.