be on firm ground वाक्य

Clinton will be on firm ground if he can say he opposes anything that looks like a hard quota, the officials explained.
Its latest incarnation, a 46-member troupe with contracts calling for a 40-week minimum season, seems to be on firm ground.
The high court's reasoning seemed to be that if the Florida jurists based their decision on state law, they might be on firm ground.
On arrival at the firing position, which has to be on firm ground, the mortar is uncoupled from the tractor and the towing lunette is removed.
Some are uncomfortable about the sleaze they are uncovering, but want to be on firm ground when asked later : " Where were you when American foreign economic policy was put up for sale ?"