to be a fish out of water - How would you feel if you were put in unfamiliar surroundings? Scared and unsure of what to do? When this happens, we can say we feel like a fish out of water.

• 置身于陌生的环境中，你有何感受?会感到害怕、不知所措吗?这时我们可以说自己就像一条离开水的鱼。