unexpressive
美 [??n?k'spres?v]
英 ['?n?ks'pres?v] 
- adj.未能表達原意的;無表情的;沉默的;不可表達的
- 網絡沒表情的;力和深遠意義
英漢解釋
例句
Meanwhile, Well-designed Worksheets methodology doesn't care enough to those students who are introversive and unexpressive.
同時“學案助學”教學法對那些性格內向,不喜歡表現的學生關注度不夠。