翻译一句子：癞蛤蟆想吃天鹅肉

当然是只有意译了：
1． aim at the moon 妄想,痴心妄想
A: I want to marry Sally, mammy.
B: Don’t aim at the moon. Sally is so excellent. It is impossible for her to marry you.
A: I am also outstanding. I have a lot of confidence.
A：妈妈,我想和萨莉结婚.
B：不要痴心妄想了,萨莉是那么优秀,要她嫁给你是不可能的.
A：我也很出色的.我充满自信.
2． at one’s wit’s end 不知所措,山穷水尽
A: What is matter, John?
B: I am at my wit’s end because I can’t find my key.
A: Don’t worry. I will help you look for it.
A：约翰,你怎么了?
B：我的钥匙找不到了,我急得不知所措.
A：别着急,我将帮助你找.
3． be all ears 洗耳恭听
A: How do you explain it?
B: Oh, it’s not my fault.
A: OK, Tell me about it and I’ll be all ears.
A：这件事你作何解释?
B：噢,这不是我的错.
A：好吧,你说,我将洗耳恭听.
4． bolt from the blue 晴天霹雳
A: What a bolt from the blue it is! My affectionate grandfather passed away yesterday.
B: I am so sorry to hear that.
A: I regret not having spent more time to accompany him before his death.
A：真是一个晴天霹雳,我亲爱的祖父昨天去世了.
B：听到这个消息真难过.
A：我真后悔在他生前没有多花些时间陪陪他.
5．bring home the bacon 养家糊口
A: Today I’m under the weather.
B: Play hooky. I won’t spill the beans.
A: I can’t. I’m swamped with work. My job is no picnic.
B: Well, hang in there. In the long run, you will be sitting pretty.
A: I hope so. I have to bring home the bacon.
A：今天我感觉不太好.
B：逃避工作吧.我不会高发的.
A：我不能,我有一大堆工作要做.我的工作并不轻松愉快.
B：好啦,耐心等待吧.你的情况最终会好起来的.
A：我也希望如此,我还要养家糊口呢

a poxy toad thinking of eating swan's flesh