go to someone's head

Verb

idiomatic

(idiomatic) To strongly affect a person, especially to the detriment of his or her senses or mental faculties.

Japanese Meaning

何かが人に強く影響を与え、感覚や判断力を損なわせる状態に陥らせる / 成功や好待遇などが原因で、過度な自信や勘違いに陥る（冷静さを欠く）状態になる

The sudden praise began to go to someone's head, and they started making reckless decisions at work.

突然の称賛に彼らは有頂天になり、仕事で無謀な判断をするようになった。

Sense（1）

(idiomatic) To strongly affect a person, especially to the detriment of his or her senses or mental faculties.

goes to someone's head

（ present singular third-person ）

going to someone's head

（ participle present ）

went to someone's head

（ past ）

gone to someone's head

（ participle past ）