"Be tired from" 是一个英语短语，用来表达因为某种活动、经历或状态而感到疲劳。这个短语强调的是疲劳的原因，通常用于描述在完成某项任务或经历一段时间的活动后感到的身心疲惫。

## 释义与用法

"Be tired from" 的基本含义是“因...而感到疲劳”，它强调的是疲劳的源头。这个短语可以用于描述体力上的疲劳，也可以表示精神上的疲惫。例如，长时间工作、长途旅行、持续学习或情绪压力等都可以成为“be tired from”的原因。

**用法示例：**

1. I'm tired from the long journey, I just want to collapse on the bed. (长途旅行让我很累，我只想躺在床上休息。)

2. She was tired from studying all day, so she decided to take a short nap. (她一整天都在学习，所以决定小憩一会儿。)

3. After a hard day's work, he was not only physically tired from the labor but also mentally tired from the stress. (辛苦工作一天后，他不仅体力上感到疲倦，精神上也因压力而疲惫。)

## 同义词辨析

### 1. "be exhausted by"

"Be exhausted by" 与 "be tired from" 类似，都表示因为某个原因而感到极度疲劳。但 "exhausted" 强调的是极度的、精疲力竭的状态，比 "tired" 更加严重。

**用法示例：**

- The marathon runner was exhausted by the end of the race. (马拉松选手在比赛结束时已经筋疲力尽。)

### 2. "feel worn out from"

"Feel worn out from" 也表达因某事而感到疲惫，但更侧重于身体或精力被消耗殆尽的感觉。

**用法示例：**

- She felt worn out from taking care of her sick child all night. (照顾生病的孩子整晚，她感到非常疲惫。)

### 3. "be drained from"

"Be drained from" 强调的是能量或精力被抽干，常用于描述精神或情感上的疲劳。

**用法示例：**

- He was emotionally drained from the heated argument with his partner. (与伴侣激烈的争论让他情绪上极度疲惫。)

### 4. "be fatigued by"

"Be fatigued by" 与 "be tired from" 相近，但 "fatigued" 常用于医学或正式语境，表示极度疲劳或虚弱。

**用法示例：**

- The patient complained of being fatigued by the chemotherapy treatment. (病人抱怨化疗治疗使他感到极度疲劳。)