基本解释adj.麪無表情的; 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?" 小吳也假裝生氣的說，怎麽有你這樣的啊，才剛來，說第二句話就反過來命令我的？straightfaced更多例句