The name "孙鹤" is pronounced as "Sun He" in English. "Sun" is pronounced like the English word "soon" without the "oo" sound. The pronunciation of "He" is similar to the English word "her" without the "r" sound. When pronouncing Chinese names in English, it's important to note that the tones are not present as in Chinese. The pronunciation should be clear and distinct to make it easier for others to understand. This is a basic guide to pronouncing the name "孙鹤" in English.