(pos:名詞)(sim:信件)(sim:書信)
<explanation>
yue:帶有目的、用嚟傳遞訊息嘅文件（量詞：封）
eng:letter; mail
<eg>
yue:#掛號信
eng:registered letter
<eg>
yue:#請願信
eng:petition letter
<eg>
yue:#情信
eng:love letter
<eg>
yue:#信封
eng:envelope
<eg>
yue:#信箱
eng:letterbox
<eg>
yue:辭職信 (ci4 zik1 seon3)
eng:resignation letter
<eg>
yue:有人送咗封信俾佢。 (jau5 jan4 sung3 zo2 fung1 seon3 bei2 keoi5.)
eng:Someone gives him a letter.

(pos:動詞)
<explanation>
yue:唔需要根據支持，就認為一樣嘢一定會發生，或者一定係事實
eng:to believe; to trust
<eg>
yue:我信你冇做過。 (ngo5 seon3 nei5 mou5 zou6 gwo3.)
eng:I believe that you didn't do this.
----
<explanation>
yue:認定某人人格或者能力符合期望，唔會起疑
eng:to believe (in) or trust a person
<eg>
yue:我最信嘅始終都係你。 (ngo5 zeon3 seon3 ge3 ci2 zung1 dou1 hai6 nei5.)
eng:I always believe you most.
<eg>
yue:我點會信你唔過啊？ (ngo5 dim2 wui5 seon3 nei5 m4 gwo3 aa3?)
eng:How would I not trust you?
----
<explanation>
yue:崇奉
eng:to profess faith in; to believe in
<eg>
yue:佢係信佛嘅。 (keoi5 hai6 seon3 fat6 ge3.)
eng:He believes in Buddhism.

(pos:語素)
<explanation>
yue:#承諾
eng:promise
<eg>
yue:#信誓
eng:promise
<eg>
yue:#守信
eng:to keep one's promise; to keep one's word
<eg>
yue:#背信棄義
eng:to renegade on one's promises and betray others' trust