诊断 zhěnduàn to diagnose
How to remember 诊断: 诊 to diagnose + 断 sever = to diagnose.
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How it is used
- To diagnose (medical) - 医生诊断他得了肺炎 (yīshēng zhěnduàn tā déle fèiyán) the doctor diagnosed him with pneumonia; the diagnosis itself 诊断结果.
- Technical medical term; by extension, diagnosing faults in systems/machines.
- Both verb and noun.