Temper (something) with (something) verb phrase
To make something, usually a material, harder by using another thing.
Tempering the steel with high heat to make it hardened is common knowledge.
To transform something into the desired physical state by combining it with something else.
A: "Please help me, I need to make the paint water resistant but I don't know how." B: "That's easy. You just have to temper it with oil."
To use another thing to lessen something's intensity.
I tried to temper her job loss with a gift, but it didn't seem to work out.
To control one's own words to be polite or avoid causing upset or controversy
Not to do too much or too little in anything
To begin losing your temper and act with hostility and insist on who to beat by all means.
1. When you tone down what you've written or said, you make it less forceful, extreme, or rude
2. If you tone down a color or a flavor, you make it less vivid or strong.
Used to describe someone who tends to become angry or upset very quickly or easily
A legal matter that is very easy to solve
The house owners didn't lock the doors before going out, and that's why they got broken in. This is an open and shut case.