A predisposition is a lean that is already there, in a person’s ways or in the body, before the moment of choice or the illness itself.

A predisposition傾向 is a lean that is already there指的是本來就存在的一種傾向, in a person's ways or in the body在一個人的習性裡或身體裡, before the moment of choice or the illness itself早在做選擇或生病之前就有了.

Someone with a predisposition to worry is not worrying every minute; worry simply comes more easily to them than to other people.

Someone with a predisposition to worry有容易擔心傾向的人 is not worrying every minute並不是每分鐘都在擔心; worry simply comes more easily to them than to other people只是擔心對他們來說比對別人更容易出現.

Doctors use the word a lot: a predisposition to heart disease means you are more likely to get it — often because of family, genes, or long habits — but it is not the disease, and it is not a promise that it will happen.

Doctors use the word a lot醫生很常用這個字: a predisposition to heart disease有心臟病的傾向 means you are more likely to get it意思是你比較容易得這個病 — often because of family, genes, or long habits——通常是因為家族、基因，或長期的生活習慣—— but it is not the disease但這不是病本身, and it is not a promise that it will happen也不是保證一定會發生.

You will hear it in careful English: hospitals, psychology, serious articles. In ordinary talk people also stretch it (“a predisposition to say yes”) to mean only a habit of leaning that way.

You will hear it in careful English你會在比較正式的英語裡聽到它: hospitals, psychology, serious articles像醫院、心理學、嚴肅的文章. In ordinary talk在日常對話裡 people also stretch it人們也會把它引申使用 ("a predisposition to say yes")（像a predisposition to say yes，容易點頭答應的傾向）, to mean only a habit of leaning that way只是單純表示一種偏向那樣做的習慣.

The close adjective is predisposed to…

The close adjective意思相近的形容詞 is predisposed to…是predisposed to…（傾向於……）.