Rat is the first symbol of the Twelve Animals in China. In Chinese culture, we think the rat is very smart. However, in English, sometimes it is compared to bad persons.
smell a rat觉得可疑
I smelt a rat when he started being so helpful!
the rat race激烈的竞争
Living in a big city is one big rat race.
play cat and mouse with sb. 欲擒故纵，(像猫抓耗子似地)欺负(折磨、虐待)某人
The policeman decided to play cat and mouse when he saw the woman steal the dress in the store.
The second symbol is ox. Both in Chinese and English, we can describe someone very strong by using the phrases containing ox. ‘Like a red rag to a bull’ means you make somebody very angry.
第二个生肖是牛。在中英文中,我们都用含有“牛”的短语来形容某人强壮或力大无比。但在英语习语中,like a red rag to a bull 意思是“你让某人非常生气”。