An Idiom puzzle should looks like this

1.continuously non-stop like river
2.one column supports the sky
3.full of natural resources
4.forever young
5.gain without working for it
6.extremely trendy
一. a column that withstands strong river flow
二. having a skill
三. mature age
四. the end of time
五. needs from time to time
Answer below:
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1.川流不息 (continuously non-stop like river)
2.一柱擎天 (one column supports the sky)
3.地大物博 (full of natural resources)
4.長春不老 (forever young)
5.不勞而獲 (gain without working for it)
6.盛極一時 (extremely trendy)
一.中流砥柱 (a column that withstands strong river flow )
二.一技之長 (having a skill)
三.春秋鼎盛 (mature age)
四.天荒地老 (the end of time)
五.不時之需 (needs from time to time)