to have no knowledge abouta particular event

The idiom 'take a rain check' means . . .

politely decline an offer, possibly to accept at a later time

lack the funds and so dishonoring a check

to check that there is no rain forecasted

The idiom 'plenty of other fish in the sea' means . . .

don't stop fishing, there are more fish to catch 

there are many other men and women to date

don't only do one thing, try and be more creative

The idiom 'race against time' means . . .

there is almost no time left to accomplish something

a woman's biological clock to have children is almost over

to think you are better than everyone else

to remain sober, so you can drive your drunk friends home

to go out drinking shooters at dingy nightclubs

The idiom 'take the wind out of one's sails' means . . .

there is no wind or sea breeze for the sailboats

to stop someone from getting a promotion at work

The idiom 'throw in the towel' means . . .

a throw in or an inbound pass in basketball

to collect the towels after a swimming event

The idiom 'give it your best shot' means . . .

to try as hard as you can to do something

to try your best at asking a girl out on a date

The idiom 'skate on thin ice' means . . .

The idiom 'the ball is in your court' means. . .

it's your decision or responsibility to do something now

The idiom 'blindsided' means . . .