毫不: hardly, not in the least, not at all...
上头: above, on top of, on the surface of...
确保: to ensure, to guarantee...
注视: to watch attentively, to gaze at...
浮: to float, superficial, floating, unstable, movable, provisional, temporary, transient, impetuous, hollow, inflated, to exceed, superfluous, excessive, surplus...
停下: to stop...
玩弄: to play with, to toy with, to dally with, to engage in, to resort to...
淹没: to submerge, to drown, to flood, to drown out (also fig.)...
敦促: to press, to urge, to hasten...
天然: natural...