A hobby often develops into a serious study of their habits.

爱好常常发展成对他们的习惯的认真研究。

youdao

The teachers hoped their students could form better study habits through activities like this one.

老师们希望他们的学生通过这样的活动形成更好的学习习惯。

youdao

The study relied on people's own reports of their sleeping habits, which can be faulty.

他说这一研究靠的是人们对自己睡眠习惯的汇报，而这有可能会出错。

youdao

But most found that using e-textbooks did not change their study habits.

VOA: special.2009.09.03

While the innate quality of the European students was very high, for the most part their study habits were frightful.

ECONOMIST: At your service

Several years ago, Wrigley and The Princeton Review surveyed American and Canadian college students about their study habits and found that of the students who chew gum while studying for exams, 41% do so to combat stress while 23% do so to increase concentration.

WSJ: Wrigley, Other Gum Makers Seek to Stimulate Gum Sales

Another saw the use of a robot sage grouse hen to study their real-life mating habits.

CNN: April 4, 2012 -- Updated 1350 GMT (2150 HKT)