The cultural and historical links between the many provinces were seen to be very tenuous.许多省份之间的文化和历史纽带被认为是很脆弱的。

This decision puts the President in a somewhat tenuous position.这个决定使得总统的位置有些岌岌可危。

holding on to the tenuous thread that connected him with life and hope抓住那条连着他的生命与希望的细线

People thought heat must be, an invisible, tenuous fluid that flowed from hotter to colder places.人们原以为热量是一种无形的、稀薄的液体, 从较热处流向凉一些的地方。