You have been very low-key lately 你最近很低调啊

low-key =a metaphor for taking a cautious and slow approach 低调的

例子Yeah, look, we just gotta keep this low-key , okay?

对, 听着, 我们要保持低调, 明白吗?

不过我最近很高调的，高调怎么说,这个应该不用我说了吧，low-key的反义词而已~