security blanket

1. N-COUNT If you refer to something as a security blanket, you mean that it provides someone with a feeling of safety and comfort when they are in a situation that worries them or makes them feel nervous. 安心毛毯; 在人担忧或紧张时给人带来安全感与慰藉之物

Alan sings with shy intensity, hiding behind the security blanket of his guitar. 艾伦非常害羞地唱着，用怀里的吉他挡住自己以获得安全感。

2. N-COUNT A baby's security blanket is a piece of cloth or clothing which the baby holds and chews in order to feel comforted. 安乐毯; 一种供婴儿抓摸吮咬使其获得安慰的布料或衣服。