diff --git a/每日单词260726.md b/每日单词260726.md
new file mode 100644
index 0000000..1dfb35a
--- /dev/null
+++ b/每日单词260726.md
@@ -0,0 +1,83 @@
+---
+tags:
+ - 考研词汇
+ - 每日单词
+created: 2026-07-26
+---
+
+# 每日单词 260726
+
+> 共 **8** 词(扩充 6 词)
+
+---
+
+## 速览
+
+| # | 单词 | 释义 | 标注 |
+|:---:|---|---|:---:|
+| 1 | dubious | 可疑的,靠不住的 | |
+| 2 | mortgage | 抵押,按揭贷款 | |
+| 3 | skeptical | 怀疑的 | **扩充** |
+| 4 | suspicious | 可疑的,疑心的 | **扩充** |
+| 5 | doubtful | 可疑的,不确定的 | **扩充** |
+| 6 | loan | 贷款,借贷 | **扩充** |
+| 7 | collateral | 抵押品,担保物 | **扩充** |
+| 8 | installment | 分期付款 | **扩充** |
+
+---
+
+## 动词 Verbs
+
+| 单词 | 释义 | 例句 |
+|---|---|---|
+| **mortgage**
`/ˈmɔːɡɪdʒ/` | v./n. 抵押;按揭贷款 | They had to *mortgage* their house to pay for their son's education. |
+
+> [!tip] 词根助记
+> - **mortgage** = *mort* (死) + *gage* (担保,抵押) → 死担保 → 抵押(还不上就死定了)
+
+---
+
+## 名词 Nouns
+
+| 单词 | 释义 | 例句 |
+|---|---|---|
+| **mortgage**
`/ˈmɔːɡɪdʒ/` | n. 抵押贷款,按揭 | It will take them 20 years to pay off the *mortgage*. |
+| **loan**
`/ləʊn/` | n./v. 贷款,借贷 | The bank approved his application for a student *loan*. `扩充` |
+| **collateral**
`/kəˈlætərəl/` | n. 抵押品,担保物 | He put up his car as *collateral* for the business loan. `扩充` |
+| **installment**
`/ɪnˈstɔːlmənt/` | n. 分期付款;分期连载 | They bought the furniture on *installment*, paying a little each month. `扩充` |
+
+---
+
+## 形容词 Adjectives
+
+| 单词 | 释义 | 例句 |
+|---|---|---|
+| **dubious**
`/ˈdjuːbiəs/` | adj. 可疑的,靠不住的,半信半疑的 | The company's financial records were of *dubious* accuracy. |
+| **skeptical**
`/ˈskeptɪkl/` | adj. 怀疑的(需要证据说服) | Many scientists remain *skeptical* about the effectiveness of the new drug. `扩充` |
+| **suspicious**
`/səˈspɪʃəs/` | adj. 可疑的;疑心的,怀疑的 | The police became *suspicious* when they saw a broken window. `扩充` |
+| **doubtful**
`/ˈdaʊtfl/` | adj. 可疑的,不确定的 | It is *doubtful* whether the plan will succeed without more funding. `扩充` |
+
+> [!tip] 常见搭配
+> - **skeptical about / of** — 对…持怀疑态度
+> - **suspicious of / about** — 对…起疑心
+> - **dubious about** — 对…半信半疑
+> - **pay in installments** — 分期付款
+> - **take out a mortgage / loan** — 申请抵押贷款 / 贷款
+
+---
+
+## 易混淆词辨析
+
+| 单词 | 释义 | 侧重 | 搭配 |
+|---|---|---|---|
+| **dubious** `/ˈdjuːbiəs/` | 可疑的,靠不住的 | 对真实性/道德性的怀疑 | dubious about; of dubious quality |
+| **skeptical** `/ˈskeptɪkl/` | 怀疑的 | 科学/理性层面的质疑,需证据 | skeptical about; skeptical attitude |
+| **suspicious** `/səˈspɪʃəs/` | 可疑的,疑心的 | 感觉有问题/不对劲 | suspicious of; suspicious behavior |
+| **doubtful** `/ˈdaʊtfl/` | 可疑的,不确定的 | 对结果/可能性不确定 | doubtful about; It is doubtful that… |
+
+| 单词 | 释义 | 区分 |
+|---|---|---|
+| **mortgage** `/ˈmɔːɡɪdʒ/` | n. 抵押贷款(特指房屋) | 购房按揭,需抵押房产 |
+| **loan** `/ləʊn/` | n. 贷款(通用) | 泛指各种借贷(学生贷款、商业贷款等) |
+| **collateral** `/kəˈlætərəl/` | n. 抵押品 | 为贷款提供的担保物 |
+| **installment** `/ɪnˈstɔːlmənt/` | n. 分期付款 | 按周期支付的还款方式 |