Friday，2026.07.03

New words：

sincere [sɪnˈsɪr]
adj. 形容词

(情感、言语、人）真诚的，诚挚的，真心实意的
发自内心的，不虚伪的

详细词源拆解：

源自拉丁语 sincerus，原义 “无杂质、纯净的”；引申为人内心纯粹、不虚伪，真诚恳切。

词汇家族

sincere (adj. 真诚的)
→ sincerely (adv. 真诚地；谨启，书信结尾敬语)
→ sincerity (n. 真诚，诚挚)

必记高频搭配

sincere apology 诚恳的道歉

He wrote a sincere apology to his deskmate.

sincere thanks 由衷的感谢

I send my sincere thanks to all my teachers.

sincerely (adv. 真诚地；由衷地；谨上)

I sincerely hope you will have a wonderful holiday.

sincerity (n. 真诚，诚恳)

Her sincerity makes everyone trust her completely.

关键使用提醒

1. 书信写作万能结尾：Yours sincerely，用于正式信件落款

   Yours sincerely, Li Hua
   谨启，李华

2. 修饰对象：常修饰 smile、apology、thanks、wish、friendship、person

   His sincere wish moved all the audience.
   他真挚的心愿打动了全场观众。

3. 反义词：insincere adj. 虚伪的，不诚恳的

   I hate his insincere empty words.
   我讨厌他那些虚伪空洞的话语。

4. 副词 sincerely 放在动词前修饰动作，表 “真心地”

   I sincerely believe you can pass the exam.
   我真心相信你能够通过这次考试。