pinyin: zhēng

Chinese phrase: 争论 zhēng lùn - argue

Examples:
睁
pinyin: zhēng
Chinese phrase: 睁眼 zhēng yǎn - open the eyes

挣
pinyin: zhēng & zhěng
Chinese phrase: 挣扎 zhēng zhā - struggle, make efforts to support or free oneself
挣钱 zhèng qián - earn, gain money by working