busy-back

基本解释

Actually, I am busy at the moment-Can I call you back?
说实在的，我这会儿正忙——我可以给你回电话吗？
At this time, my grandma was busy to preparing forage for cattle. Her slightly-uplift back was flickering in the yellow light, just as the hilltop of distance in the dawn.
此时，奶奶忙着为家中的牛儿准备草料，微微隆起的背一起一伏，泛着黄色的光，像远处依稀可见的山峦。
Outside, workers were busy cleaning the original brickwork with high-pressure water guns and chiselling back the details into the Corinthian capitals of the columns.
外面，工人们正在抓紧用高压水枪清洗砌砖，修缮科林斯式圆柱的细节。

While that perv in the back is busy shooting HRP-4C's firm buttocks shaped from a glossy Stormtrooper alloy, the rest of us can marvel at the fact that Japan has produced a walking, talking fashion robot.
ENGADGET: Japan's HRP-4C 'fashion model robot' unveiled, already harassed (update: video!)
Otherwise I might laugh at the idea that a compressed recording of a singing bowl could even begin to compare to the sonic vibrations that are meant to guide my focus away from the busy-ness of everyday approximations of reality and back toward the precise experience of the present.
FORBES: Spiritual Smartphone App Makes Meditation Social
And Secretary Solis was right there, the first one to sign up to go, as a busy Secretary, still never too busy to give back to an amazing group of girls -- and I will be grateful to her for a very long time for her outstanding work and willingness to step up and outside of her role.
WHITEHOUSE: The White House