适当保持低调是维护好的公众形象的窍门。

[误] To keep an adequately low tone is a tip to maintain good public impression.

[正] To be adequately low-keyed is a tip to maintain good public impression.

注：tone 指“音调”或“口气”，是实指。如：She always speaks with a rising tone(她讲话总是用升调)。而这里的“低调”是“不张扬”的意思，应用 low- keyed 或 low-key。如：The wedding is a very low-key affair/The wedding is very low-keyed(婚礼办得很低调)。