我们可以发现一个问题 We can see a problem ; We can find a problem ; We can discover a problem
我可以问你一个问题吗 Can I ask you something
那可是一门大学问 that's a lot to learn
可一问
Just ask
以上为机器翻译结果，长、整句建议使用 人工翻译 。
可结帐时发现有一块多欧元不知什么项目，一问才知道是续的开水钱。
But when paying for the tea we found there was an extra Euro on the bill. Later the waiter explained that they charged us 1 Euro for that refilled water.
youdao
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