While my car is in the shop, they have given me a courtesy car to drive around.
我的车还在修理店时,他们给我一辆替代车用。
Don't trouble trouble until trouble troubles you.
不要自寻烦恼。
and there is a very firm rule that the bank has no right or authority to pay out a customer's money on a cheque on which its customer's signature has been forged.