Modifier + 季
The noun 季 (jì) means 'season' and can refer to both natural seasons and sports or competition seasons. It is commonly used in the compound 赛季 (sàijì), meaning 'competition season.' It also appears in words like 四季 (four seasons) and 季节 (season).
北京的冬季特别冷。
Běijīng de dōngjì tèbié lěng.
Winter in Beijing is especially cold.
赛季还没结束,一切都有可能。
Sàijì hái méi jiéshù, yíqiè dōu yǒu kěnéng.
The season isn't over yet — anything is possible.
他最喜欢的季是秋季。
Tā zuì xǐhuān de jì shì qiūjì.
His favorite season is autumn.