ebb
/eb; ɛb/ v[I, Ip]
~ (away)
1 (of the tide) go out; recede （指潮水）退落; 退潮; 落潮. Cf 参看 flow 5.
2 (fig 比喻) grow less; become slowly weak or faint 减少; 衰落; 衰退
Daylight was ebbing away. 白昼在逐渐消失.
Our enthusiasm soon began to ebb. 我们的热情不久就凉下来了. ebb, n [sing]
1 (usu 通常作 the ebb) (of a tide) the flowing out （指潮水）退落; 退潮; 落潮
The tide is on the ebb, ie is going out. 正在退潮. Cf 参看 flood2 3.
2 (idm 习语) at a low ebb => low1. the ebb and flow (of sth) (of noise, fashions, etc) regular increase and decrease in intensity; constant fluctuation （指声音、 流行式样等）消长, 兴衰; 不断长落, 起伏
the ebb and flow of conversation 谈话声此起彼伏. on the `ebb diminishing; declining 正在减弱; 正在衰退; 正在衰落
My luck is on the ebb. 我的运气每况愈下.