twitchiness

Noun

uncountable

The state of being twitchy, physical restlessness. / The state of being nervous and unsettled; edginess.

Japanese Meaning

身体の不規則なけいれん（小刻みな痙攣や反射運動） / 神経質でそわそわしている状態、落ち着きのなさ

His twitchiness during interviews made it hard for him to appear confident, even when he knew the answers.

面接中の彼の落ち着きのなさのせいで、答えを知っていても自信があるように見せるのが難しかった。

Sense（1）

The state of being twitchy, physical restlessness.

Sense（2）

The state of being nervous and unsettled; edginess.