Disputes over the heir apparent often shake the entire court.
Tips
history
储 means 'to store/reserve'; 储君 is literally 'the reserve sovereign', the one held in waiting. In imperial China, 储君 was usually a synonym for 太子 (tàizǐ, crown prince), but more formal and used in court documents.
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Literary/historical. You'll meet it in palace dramas, dynastic histories, and now Japanese/Korean royal coverage in Chinese-language press.
