ADJ-GRADED
低调的；小规模的
If you say that something is low-key, you mean that it is on a small scale rather than involving a lot of activity or being made to seem impressive or important.
例句
The wedding will be a very low-key affair...
婚礼将低调举行。
He wanted to keep the meetings low-key.
他不希望将会议扩大。