straight on the head

基本解释

As he reached the door, he was showered straight on the head with a basin of slops.
他走到门口劈头泼来一盆脏水。
《新英汉大辞典》
I think it comes from millions of years of standing behind that -- sitting behind the bush, looking straight ahead, trying to hit that buffalo on the head with a rock.
（笑）我想这源自远古时期，男人们藏在灌木丛中，看着前方，并想着用手中的石块砸向野牛的头。
On an imported heat exchanger in some chemical plant, an offset caused by fabricating deviation is presented on the joint between shell and straight part of head. By means of finit element method.
某化工厂一台进口换热器，由于制造偏差，在封头直边段与筒体相接处产生错边。

But now she decided to skip her post-class musing-on-the-mats routine, head straight for the Serenity Posse II meeting on Amsterdam.
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The latest version announced at the Consumer Electronics Show 2013 weighed 4.5 ounces and could be worn straight over the head or on a helmet.
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The chances that he will head straight to the fridge for a snack and then move on to the freezer for dessert are just about 100% but the odds that the Big Guy will find time to also visit with Pops are pretty high.
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