如果某人赤手空拳做成了某件事done something with their bare hands，那就是說他沒有借助任何工具或武器就完成了這件事兒。
　　例句：
　　1. I didn’t have a fishing rod, so I caught the fish with my bare hands.
　　2. The policeman was shocked when he realised that the murderer had killed the victim with his bare hands.
　　請(qǐng)注意：另一個(gè)短語(yǔ)with one hand tied behind your back或with both hands tied behind your back意思是你輕而易舉地做成了一件事。
　　1. Janette doesn’t find the work difficult. She can do most tasks with one hand tied behind her back.
　　常識(shí)補(bǔ)充：
　　Lizards are cold-blooded reptiles that emerged from water millions of years ago. Nowadays, they come in different shapes and sizes. Iguanas are a particular family of lizards which have evolved to cope with life in arid climates.
　　蜥蜴是冷血爬行動(dòng)物，它們是幾百萬(wàn)年前脫離水爬上陸地生活的。如今，它們有不同的形狀和大小。鬣蜥是蜥蜴科中為應(yīng)付干旱氣候而進(jìn)化成形的一種爬行動(dòng)物。

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