| 单词 | 要是我知道 |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔CAN/CAN'T〕I'd turn the thing off if only I knew how. 要是我知道这东西是怎么关的，我就会关掉它。朗文写作活用〔a〕I'd a told you if I'd known.要是我知道,早就告诉你了。英汉大词典〔would〕I would have stopped by your house had I known you were home.要是我知道你在家，我会去看望你的。韦氏高阶 |
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