letter

1.信；函a message that is written down or printed on paper and usually put in an envelope and sent to sb

a business/thank-you, etc. letter商业信函、感谢信等

a letter of complaint投诉信

to post a letter寄信

to mail a letter寄信

There's a letter for you from your mother.有你母亲的一封来信。

You will be notified by letter .将用信函通知你。

2.字母a written or printed sign representing a sound used in speech

‘B’ is the second letter of the alphabet.b 是字母表的第二个字母。

Write your name in capital/block letters .用大写字母书写姓名。

3.（缝制在运动服上的）校运动队字母标志a sign in the shape of a letter that is sewn onto clothes to show that a person plays in a school or college sports team

They insist on sticking to the letter of the law.他们坚持严守法律的字面意义。

They insist on sticking to the letter of the law.他们坚持严守法律的字面意义。

I followed your instructions to the letter.我是严格遵照你的指示办的。

I followed your instructions to the letter.我是严格遵照你的指示办的。

1.[t][usupass]~ sth (+ noun)用字母标明（于清单等上）to give a letter to sth as part of a series or list

the stars lettered Alpha and Beta 以 α 和 β 命名的星

2.[t][usupass]~ sth (in sth)把字母印刷（或缝制等）于to print, paint, sew, etc. letters onto sth

a black banner lettered in white印有白色字母的黑色横幅

3.[i]领取到学校运动队布制字母标志to receive a letter made of cloth that you sew onto your clothes for playing in a school or college sports team