in haste

Prepositional phrase

formal

(formal) In a hurry, hastily, quickly. / Too quickly, without careful thought and planning.

Japanese Meaning

急いで / 慌ただしく / 焦って / 一瞬で（十分に計画せずに）

She left the meeting in haste, forgetting her briefcase on the table.

彼女は慌てて会議を去り、机の上にブリーフケースを忘れた。

Sense（1）

(formal) In a hurry, hastily, quickly.

In her haste to get to school, she almost forgot her school bag.

Sense（2）

Too quickly, without careful thought and planning.

The decision had been taken in haste, and hence was the bad outcome.