The planes have to undergo rigorous safety checks. 這些飛機得接受非常嚴格的安全檢查。
The work failed to meet their rigorous standards. 工作沒有達到他們的嚴格標準。
It further implements the safe production responsibility system, and enforces rigorous safe production laws and regulations and a related accountability system. 進一步實行安全生產責任體系，加強嚴厲的安全生產法規和相關責任體系。
He lived through the rigorous trials of revolutionary war. 他經受了革命戰爭的嚴峻考驗。
He makes a rigorous study of the plant in the area. 他對該地的植物進行了慎密的研究。
常用短語
用作形容詞 (adj.)
～+名詞
rigorous hardships
嚴峻的困難
rigorous study
嚴密的研究
組詞
I..hope she will not be too rigorous with the young ones.
出自：S. Johnson
He wanted a refuge from a standard disagreebly rigorous.
出自：George Eliot
Dressed in a white organdy frock of the most rigorous simplicity.