我得系领带吗？

Do I have to wear a tie?

《牛津词典》

我用绳子将自己系在了那个烟囱上。

I roped myself to the chimney.

《柯林斯英汉双解大词典》

我把夹克的拉链拉上，系好扣子。

I zipped and buttoned my jacket.

《牛津词典》

For example, if I isolated this one called the myeloid cell, it's capable of forming red blood cells, megakaryocytes and neutrophils.

比如,如果我分离出一个髓系细胞,它就能生成红细胞,巨核细胞和嗜中性粒细胞

耶鲁公开课 - 生物医学工程探索课程节选

I also was a grad student here in the '80s, in the Religious Studies Department.

980年代，我曾在此攻读硕士学位，在耶鲁的宗教研究系。

耶鲁公开课 - 新约课程节选

And that was when I switched my concentration from computer science to philosophy and psychology with a single question: ? how can I become happier?

于是我将研究方向,从计算机科学转向了哲学及心理系,目标只有一个：,如何变得更快乐？

哈佛公开课 - 幸福课课程节选