Low-key means a modest and prudent attitude, without being ostentatious. At the same time, low-key is a kind of wisdom. Low-key means not telling irrelevant things to irrelevant people.
Low-key, pronounced as dī diào, low-key, originally refers to the tone of a small voice, which is a metaphor for a moderate or relatively depressed tone. Later, it was described as gentle and unassuming. Low-key means hiding one's abilities and not showing them. Being low-key does not mean not doing things well, but not showing off the things done well. The antonym of low-key in literal sense is high-profile, and the antonym of low-key in literal sense is arrogant and low-key. Sometimes it is also used in seal cutting and calligraphy creation.
Source: 1. Low tone, "Wang Hefu originally had a very loud voice, but at this time he chose to use a low tone" in Mao Dun's "Midnight" III.
2. It refers to the pessimistic and negative tone. Chapter 12 of Guo Moruo's "Hongbo Qu", Chapter 3: "At that time, Wang Jingwei was the vice president of the Kuomintang, Zhou Fohai was in charge of the Propaganda Department, Chen Gongbo, Zeng Zhongming, etc. All the people in the low-key club are still alive.”
Low-key Sentences
1. Please keep in mind that when you first go to work, you must be confident and low-key to your leaders, and you must be sincere and not show off to your colleagues. Be frank and kind to your customers, and be upright and not noisy to your opponents. The workplace is not a battlefield. What is needed is not gunpowder, but communication between heart and heart, and the collision of wisdom and wisdom.
2. Van Rompuy came from the Dutch-speaking north of Belgium and was an intellectual who loved hesitation. He kept a low profile but was known as a persuasive negotiator who was eager to seek compromise.
3. Low-key people are elegant. They are indifferent between choices. A cup of tea or a few drinks can kill half of the time. They don't like liveliness, but they have a rich inner and emotional world.
4. I am a low-key person. Really, I have told many people, but some people still don’t believe it. I sent this text message because I want to reiterate that I am a low-key person and waste a little more of your energy by the way.
5. The low-key flower breath is quite consistent with your personality.
Reference for the above content: Baidu Encyclopedia—Low-key