keep one's eye in

Verb

(chiefly UK) To keep in practice.

Japanese Meaning

普段通りに練習を続けて技能や体力を維持すること。 / 日常的な訓練や練習を通じて、実力やコンディションを保つこと。

To keep one's eye in, practice the drill for twenty minutes each morning.

勘を鈍らせないように、毎朝そのドリルを20分間練習する。

Sense（1）

(chiefly UK) To keep in practice.

A man must have some work to keep his eye in and his muscles at work.

keeps one's eye in

（ present singular third-person ）

keeping one's eye in

（ participle present ）

kept one's eye in

（ participle past ）

kept one's eye in

（ past ）