noun [U] [sing] the cost or value that is shown on the front of stamps, coins, etc （邮票、硬币等的）面值 take sb/sth at (its, his, etc) face value to accept sb/sth as it, she, he, etc appears to be 对某人或某物表现出来的样子信以为真: Don't take his story at face value. There's something he hasn't told us yet. 不要轻信他的话。他还有些事情没跟我们说。