想要得到从未得到的东西,就要做从未做过的事情。此句的英译

1.i took nothing with me when i came out of my room.=i left my room without anything.
2.it's not safe for young children to play with candles. =it's dangerous for young children to play with candles
3.i could neither cook nor play in the kitchen.= 
i could not cook or play in the kitchen.
4.i became a fireman when i was 21 yeard old.
= i became a fireman at the age of 21.
5.we want to stop the fire when it's small.
=we want to put out the fire when it's small.