面孔铁板

• keep a stiff face; a long face; have a face as long as a fiddle; put on a stern face

参考释义

面孔铁板 [miàn kǒng tiě bǎn]

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近反义词

【近义词】

• 凛若冰霜
• 声色俱厉
• 正襟危坐
• 一本正经