合同 (hétong) Contract (Intermediate)

The character “合 (hé)” refers to combine and “同 (tóng)” means together or agree.
Example:
Hétong shì yìzhǒng héfǎ de xiédìng.
合同     是   一种     合法  的 协定。
A contract is a formal agreement.

Learn more at

http://resources.echineselearning.com/dailybrief/dailybrief-chinese-1241.html?ecl=ptEEEEEEfa082201