我听闻了。
wǒ tīng wén le
I heard/was told
据我所闻。
jù wǒ suǒ wén
As I have heard
我闻到香味。
wǒ wén dào xiāng wèi
I smell a fragrance
他去闻花。
tā qù wén huā
He goes to smell the flower