bad taste in one's mouth

Noun

idiomatic

Japanese Meaning

道徳的に非難すべき事象や相手に触れた後に感じる、嫌悪感や吐き気を伴う不快な印象 / 罪悪感、責任感、または恥ずかしさが原因となり、持続する不快感や嫌な余韻を覚える状態

Learning about the company's willful deception leaves one with a bad taste in one's mouth.

その会社の故意の詐欺を知ると、胸にむかつくほどの道徳的嫌悪感が残る。

Sense（1）

(idiomatic) A feeling something is morally despicable as to cause nausea.

The more I thought of my orders, the more it left a bad taste in my mouth.

Sense（2）

(idiomatic) A feeling of guilt, responsibility, or embarrassment as to cause nausea.

Knowing that I had inadvertently aided a killer, left me with a bad taste in my mouth.

Sense（3）

(idiomatic) A feeling of disappointment and frustration.

bad tastes in one's mouth

（ plural ）