Don't bite off more than you can chew.
"Too much to chew" is an idiom, which refers to work or study, too much to do well or absorb. The book comes from Volume 5 of Ling Mengchu's second moment of surprise: "where are the children now? It's too much to chew. "
explain
If you want to eat more, you can't digest it. It refers to work or study, too much to do well or absorb.
source
Ling Mengchu's "second moment of surprise" Volume 5: "where are the children now? It's too much to chew. "
Examples
Although we are determined to be strong, we'd rather have fewer work classes. First, we should take care of ourselves, and second, we should take care of ourselves. (the ninth chapter of a dream of Red Mansions by Cao Xueqin in Qing Dynasty)
usage
To act as an object or clause; work or study
story
Jia Baoyu gets up to go to school. Xiren serves him well. Baoyu deliberately amuses Xiren. Xiren advised him to study hard. He said that if he didn't study, he would be down and out all his life. He told him to think about books when he was studying, but not to work too hard. He couldn't be greedy in his lessons. One was greedy, and the other was tired. Baoyu agreed to her.
Don't bite off more than you can chew.
dress in the coarse hempen cloth black - pī má dài xiào
standing like a tripod -- a tripartite balance of forces - dǐng zú ér lì