on the rocks

Prepositional phrase

Poured over ice, usually in reference to alcoholic drinks. / In a bad state, particularly of a romantic relationship.

Japanese Meaning

（アルコール飲料を）氷を入れて提供する状態。 / （特に恋愛関係が）悪化している状態。

When I asked for a whiskey on the rocks, the bartender smiled and reached for the ice.

ウイスキーをロックで頼むと、バーテンダーは微笑んで氷を手に取った。

Sense（1）

Poured over ice, usually in reference to alcoholic drinks.

I'll have a whisky on the rocks.

Sense（2）

In a bad state, particularly of a romantic relationship.

Joe and Tammy's relationship is on the rocks again.