if/ɪf/

conj

1. 如果，要是

• We'll go picnicking tomorrow if the weather is good enough. 如果明天天气好，我们就去野餐。

• If I were you, I wouldn't go. 如果我是你，我就不会去。

2. 即使；虽然

• We'll go even if it rains. 即使下雨我们也要去。

3. 是否

• Tell us if you like your new house. 告诉我们你是否喜欢你的新房子。

4. 无论何时

• If you have any problem, please let us know. 你一有什么问题，请随时告知我们。

5. [表示惊奇、沮丧或恼怒]

• Well, if that isn't the limit! 实在是忍无可忍了!

6. [表示愿望] 要是…多好

• If I had only known! 要是我知道多好啊!

as if 见as if and when 万一 if any 即使有 if only 只要；要是…多好

• If only he didn't drive so fast. 要是他的车没有开得那么快多好。