He is rolling his shoulder's forward to make himself a smaller target, something Driver's seen in law enforcement when criminals are around the police.

他把肩往前耸就是让他缩水变成不易攻击的小目标，这点她是从执法的经验得来的，当罪犯被警察包围的时候。

youdao

You’ll need them to make a longer-term goal, such as a trip once they graduate, if you have a teen-ager, or a down payment on a car, or even something a little smaller.

你要做的是引导他们制定一个长远目标，比如毕业之后的人生之路，假如他们有了一个十来岁的孩子，买了一辆预付定金的车或是其他小事。

youdao

The researchers hope to refine the process to make both large, high yield applications as well as smaller applications, such as a something resembling a tea bag, for use on a more individual basis.

FORBES: Researchers Develop Material to Remove Radioactive Contaminants From Drinking Water