倾全力；开始认真从事

bucketing down───大雨倾盆

knuckling down───屈服；开始认真工作

backing down───放弃；让步

trickling down───向下滴流

boiling down───煮浓

buckle down───倾全力；开始认真从事

buckled down───倾全力；开始认真从事

buckles down───倾全力；开始认真从事

burning down───烧毁，火力减弱

When the going gets rough and people start buckling down, they start saying no to themselves first.───遭遇困境时，人们首先会屈服，对自己说不。

Deformation of helical buckling appeared on rod during down stroke is also analyzed.───同时分析了下冲程抽油杆所产生的螺旋弯曲变形。

This paper can satisfy the requirement with steady lateral buckling with the method that scales down the bending moment and abate the space between beams.───文章通过计算分析，发现可以用支座负弯矩调幅和减小梁间距的办法，满足侧向稳定的要求。

She's really buckling down to her new job.───她埋头苦干做新工作。

Does the thought of "buckling down" repel you?───那种“埋头苦干”的想法让你厌烦吗？

She's really buckling down to her new job.

Scotch especially had trouble buckling down on that one.