undercurrent
n
1 currentof water flowing below the surface or below another current 潜流; 暗流
strong, fierce, fast, dangerous, etc undercurrents 强劲的、 激烈的、 湍急的、 危险的...潜流.
2 ~ (of sth) (fig 比喻) underlying feeling or influence or trend, esp one opposite to the apparent one潜在的感情、 影响或倾向(尤指与其表象相反的)
Therewas an undercurrent of resentment in their acceptance of the plan. 他们接受该计画时心怀不满.