Translation guide
How to express the idea of causing someone to feel happy, cheerful, or uplifted in Japanese.
To make someone feel happier, especially when they were feeling down or neutral.
A common and natural way to say 'put someone in a good mood' or 'improve someone's mood'. The subject is the person who does the cheering up.
彼女を機嫌を良くするのは難しい。
It's hard to put her in a good mood.
To intentionally improve one's own mood or cheer oneself up.
A casual, common way to say 'lift one's mood' or 'get in a good mood'. Often used when listening to music, exercising, etc.
この曲を聴くと気分が上がる。
Listening to this song puts me in a good mood.
To describe the state of becoming happy due to an external cause, often expressed intransitively.
Intransitive: 'one's mood becomes good'. Natural way to say someone is put in a good mood without specifying the agent.
プレゼントをもらって、彼女は機嫌が良くなった。
She was put in a good mood after receiving the present.
機嫌 (きげん) refers specifically to mood/temper, often in social contexts. 気分 (きぶん) is broader, covering mood and physical sensation. For 'put in a good mood', 機嫌 is more precise, but 気分 is also common.
Do not translate 'put' directly as 置く (おく). The English phrase is idiomatic. Use the expressions above instead.
I told a joke and put him in a good mood.
Literally 'make someone's mood good'. Slightly more direct than 機嫌を良くする, but still natural. Often used when something pleasant happens.
その音楽は彼女の気分を良くさせた。
The music put her in a good mood.
Means to humor or placate someone to put them in a good mood, often with a nuance of trying to win favor or avoid displeasure. Can be used for children or superiors.
子供のご機嫌を取るためにアイスクリームを買った。
I bought ice cream to put the child in a good mood.
Means to make someone very cheerful or in high spirits. 上機嫌 implies a particularly good mood. Somewhat emphatic.
その知らせは彼を上機嫌にさせた。
The news put him in a great mood.
Let's take a walk and get in a good mood.
Can also be used reflexively when the subject is oneself. Slightly more formal than 気分を上げる.
甘いものを食べて機嫌を良くした。
I ate something sweet and put myself in a good mood.
Similar to 機嫌が良くなる, but 気分 can also refer to physical feeling. Context usually makes it clear.
天気が良くて気分が良くなった。
The nice weather put me in a good mood.