“落拓”在中文中有兩個主要含義，翻譯時需要根據具體語境選擇：

1. **形容豪邁、不拘小節**
- **英文翻譯：** unconventional and unrestrained
- **例句：** 他一生落拓不羈，漂泊四方。
- He was unconventional and unrestrained all his life, drifting from place to place.

2. **形容窮困、失意潦倒**
- **英文翻譯：** down and out / in dire straits
- **例句：** 他晚年落拓，靠友人接濟度日。
- He was down and out in his later years, relying on friends for support.

**總結：**
- 表示性格豪放時用 **unconventional and unrestrained**
- 表示生活困頓時用 **down and out** 或 **in dire straits**

需要根據上下文選擇最貼切的譯法。