arm's length

figuratively

Japanese Meaning

腕の長さに等しい距離 / （比喩的に）親密さが感じられず、近づきがたい状態や関係

She stepped back an arm's length to measure the clearance before closing the door.

彼女はドアを閉める前に、空きスペースを確認するために腕一本分ほど後ろに下がった。

Sense（1）

A distance approximately equal to the length of a human's arm.

Sense（2）

(figuratively) A position not suggesting or inviting intimacy.

She remained at arm's length though we worked together for many years.

Sense（3）

(figuratively) A condition of independence and parity for parties to a transaction.

The police work at arm's length from the army.

arm's lengths

（ plural ）