Workers have to work very hard to keep bread on the table.
工人得十分努力工作才能赚钱糊口。
Cast not your pearls before swine.
明珠莫投暗。
In times of peace, when business was bad, Hawkwood and his men would march into a city-state and, after burning down a few farms, would offer to go away protection money was paid to them.