undercurrent

'ʌndә.kʌrәnt

Collins 1

n a subdued emotional quality underlying an utterance; implicit meaning
n a current below the surface of a fluid

n. 暗流, 潜流, 电流不足

Collins 星级

18,624

BNC 频率

16,210

使用频率

under 表示“在...下”，current 意为“流动”或“潮流”。结合起来，undercurrent 表示“水下的潮流”或“潜在的趋势”。

例句

1. There is an undercurrent of tension in the room during the meeting.

会议期间，房间里弥漫着一股紧张的气氛。

2. The river has a strong undercurrent that can be dangerous for swimmers.

这条河流有强烈的暗流，对游泳者来说很危险。

3. His smile hid an undercurrent of sadness that few people noticed.

他的微笑掩盖了一种少有人察觉的悲伤。