The level of our trust is directly proportional to our confidence in God's capacity. It seems to me that a person can say they trust God, but until they do, they don't. How big is God to you? Measure your faith and you'll have an indication.
We've had a few moments in our life when we trusted God and the results weren't what we had hoped. Notice I haven't written that the results of our hopes speak to our depth of faith. Our faith is shallow if we are sidetracked by our disappointment at the outcomes. Now let's trust God who loves us with abundance, not for what we get but for who He is.
Revelation 15:3 (TEV)
3 and singing the song of Moses, the servant of God, and the song of the Lamb: "Lord God Almighty, how great and wonderful are your deeds! King of the nations, how right and true are your ways!