Practise the thinking. Keep the judgement.
阿吽の呼吸 — Perfectly coordinated timing
あうんのこきゅう
aun no kokyuu
Meaning
Perfectly coordinated timing
Original example
二人は阿吽の呼吸で作業を進めます。
The two work with perfectly coordinated timing.
Cultural context and nuance
Tacit coordination from familiarity or practice. 阿吽 has a religious background; here it is an everyday figurative expression.