not at all loud, bright, noticeable, or obvious in any way

If you're wearing a showy piece of jewellery, make sure the rest of the outfit is super-subtle.

Her novels may not be super-subtle , but they have gripping plots full of action. 她的那些小说可能不是超级细腻的，但它们有充满动感、扣人心弦的情节。

extremely small but important

There is a super-subtle distinction in meaning between the two translations.

State-of-the-art DNA analysis can identify supersubtle differences between the genomes of related organisms. 最先进的DNA分析可以识别相关生物基因组之间的超细微差异。

achieved in a very quiet way that does not attract attention to itself and is therefore good or clever

His low-key, super-subtle approach is more suited to the work's brooding earlier sections. 他低调、不动声色的手法更适合这部作品深沉的前几节。