英语短语的精确使用直接影响托福考试成绩，特别是在听力理解和写作表达环节。以下对比解析将帮助考生突破易混淆短语的认知瓶颈：
| 短语组合 | 典型区别 | 真题例句 |
|---|---|---|
| a big time / the big time | 情感表达 vs 等级描述 | "The concert was a big time"（尽兴） "She's in the big time now"（行列） |
■ 基础用法：
"According to the schedule"（依据既定安排）
■ 条件变化：
"Results vary according as conditions change"（随因素改变）
◉ all for / for all
→ 完全赞成："The team is all for the new strategy"
→ 转折让步："For all his efforts, he still failed"
◉ as well / as well as
→ 补充说明："Bring an umbrella, gloves as well"
→ 并列关系："Speaking as well as writing skills matter"
