Strike while the iron is hot
趁热打铁 相关的近义词
一气呵成一鼓作气连成一气

Possible

meaning:
Seize the opportunity! When we have the chance to do something, we should do it immediately. Otherwise it will be too late.
Note:
strike (verb) = hit very hard and deliberately | iron (noun) = a strong, hard, grey metal.
 
Origin: This saying refers to the blacksmith who works with iron. First he heats the iron until it is red hot and soft. Then he immediately hits the iron with his hammer to change its shape. If he waits, the iron becomes cold and hard again, and he cannot shape it.
 
 
Quick Quiz
The saying "Strike while the iron is hot" advises us to
 a. go on strike

 b. use a hot iron

 c. seize opportunities