idioms 18:

jumb at a chance:
jump at sth phrasal verb [T]
to eagerly accept an opportunity to do something:
• Michael jumped at the chance to teach in Barcelona.

strike while the iron is hot:
to do something immediately rather than waiting until a later time when you are less likely to succeed


Leave something/nothing to chance to :
take no action and wait to see what happens, or to make sure you have done everything to make something happen the way you want:
• The producers of the show left nothing to chance.