基本解释adj.面无表情的; 不露笑容的同根派生 straightfaced相关词英汉例句Wu responded in a straightfaced manner "What's this? You are new here and you're already giving me instructions?" 小吴也假装生气的说，怎么有你这样的啊，才刚来，说第二句话就反过来命令我的？straightfaced更多例句