A (夏) 夏 xia4
summer
Sommer

A (夏天) 夏天 xia4tian1
summer
Sommer

B (暑假) 暑假 shu3jia4
summer vacation
Sommerferien

C (夏季) 夏季 xia4ji4
summer season/ summer/ season of summer
Sommer,

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Definitions from Unihan Copyright © 1991-2015 Unicode® Inc. All rights reserved.

夏 夏 summer / great, grand, big
季 季 quarter of year / season / surname

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