back out

英文解釋：

動詞 back out:

1. move out of a space backwards
2. make a retreat from an earlier commitment or activity
   同義詞：retreat, pull back, back away, crawfish, crawfish out, pull in one's horns, withdraw

英文造句：

1. He back out of the garage.
   他把車倒出車庫。
2. The bank back out of the contract.
   銀行終止該項契約。
3. I hope I can depend on you not to back out at the last moment.
   我希望你絕對不會在最後的時刻變卦。