this is a sentence I decide I will broach the subject on the way down in the train.
She wore a beautiful, diamond-studded broach on her cashmere sweater.this is wrong actually!!! Brooch is a diamond studded brooch. But Broach I have no idea how to use it in a sentence :P
"I wanted to discuss word usage with a friend but did not know how to broach the subject."
in bad weather at sea a sailor could say[I think the ship is going to broach.]meaning turn side on to the wind and waves.
'I was afraid to broach the subject with the Principal so near by...'