Adhere to the study after his retirement, to correspondence, learning English, and computer courses, reading a book a day and carefully done study notes.

他退休后坚持学习，以函授的方式学习了英语、计算机等课程，每天读一本书并认真做读书笔记。

youdao

Now make a study plan, keep on learning English every day, I think your English, will soon have progress, remember to adhere to is the most important.

现在就定下一个学习计划，坚持每天学习英语，我想你的英语成绩，很快就有进步的，记住坚持是最重要的。

youdao

Although the study are all fully inaction, but we should adhere to sour aftertaste to keep sweet, bitter and spicy will be built into an invincible faith.

虽然读书无为具全，但是，我们要坚持回味酸味，保持甜味，将苦味和辣味筑成一个无坚不摧的信念。

youdao

The study, carried out in Greece, found that cigarette smoke helps the bacteria adhere to the tissues lining the throat.

BBC: Mothers smoking