您要查找的是不是：
- I knew him at once for my long lost brother. 我立刻就认出他是我失散多年的兄弟。
- I can know him at once by his walk. 我能从他走路的样子一下子认出他。
- I knew him well enough to take him at his word. 我很了解他，因此他的话我信得过。
- I know him at once. 我立刻认出了他。
- I knew him at once. 我立即认出了他。
- The wretch often disguises himself, but you will know him at once by his rough voice and his black feet. 没过多久,有人敲门,而且大声说:“开门哪,我的好孩子。
- As a matter of fact, I didn't know him at all. 事实上，我根本不认识他。
- The man was so genial, so I was drawn to him at once. 这人这么和蔼，我立刻为他着迷。
- If it were not for this defect, I shall hire him at once. 如果不是因为这个缺点，我会马上雇用他。
- As I knew him not at home, I did not call. 因为我知道他不在家,我没打电话。
- As a matter of fact, I did not know him at all. 事实上，我根本不认识他。
- I spotted him at once as an American. 我一眼就看出他是个美国人。
- I know him by sight but I can't remember where we met. 我觉得她很面熟，但记不起在什么地方见过面。
- I knew that we should not spud in at once. 我知道,我们不会马上开钻。
- Is it not for this defect,I shall hire him at once. 如果不是因为这个缺点，我会马上雇用他。
- Where is his son? I need interrogate him at once. “他儿子在哪里?我要马上审问他。”
- I know him at a glance. 我一看就认得他了。
- If I were you, I would leave him at once. 如果我是你,就立刻离开他。
- I know nothing about him at all. 关于他的事我一无所知。
- We only chatted one time.(But I knew him very well from his diaries.) I didn't know his background and was not sure if he knew perl, but I found him at messager right away and let him know my problem. 我们过起了左手摸右手般平淡的日子。
