Although he had had a bad experience with his business, he treated it as water off a duck's back — means:......... .

He was told that the new plan he'd developed just wouldn't hold water — means: ......... .

Every time we came up with a new proposal, he would throw cold water on it — means: ......... .

After all the money that she's borrowed and also spent, she now finds herself in deep water — means: ......... .

He's decided to make a fresh start and regards all his old problems as water under the bridge — means: ......... .

Once he's earned a bit of money he immediately spends it like water — means:......... .

Whenever she goes to that club she always feels like a fish out of water — means:......... .

It's many years since we last met and a lot of water has passed under the bridge since then — means:......... .

The jewels in that showcase are clearly of the first water — means: ......... .

Their job as advisers was to pour oil on troubled waters — means:......... .