The most important thing: the most important thing or thing among important things. It is very important to describe something or things. Serious: small: ordinary.
Refers to a serious situation or an important thing that cannot be underestimated. Important: As long as the foot moves, it will affect the weight on both sides.
Refers to being in an important position, and every move is enough to affect the overall situation. This is not a joke: it means that things are very important, not for fun.
Unparalleled: analogy: comparison. There is nothing like it.
Key: off: key. Quite important, indispensable at a critical moment, metaphor is the most important.
It is the key point when solving problems. Matter: It matters to the overall situation and is very important.
Necessary: absolutely necessary.