いち挙手 きょしゅ いち投足 とうそくでしょう
ichikyoshuichitōsokudeshō

Noun
Desu Copula

Expresses probability in a polite manner ("probably…") of 一挙手一投足

1. Probably by a hand gesture or a step.; Likely with the slightest move.

Polite
Presumptive
Conjecture