zhè / wèi / yǎn / yuán / gù / yì / bǎo / chí / wú / biǎo / qíng / yǐ / tū / chū / rén / wù / de / lěng / mò

这位演员故意保持无表情，以突出人物的冷漠。

The actor deliberately maintained a blank expression to emphasize the character's coldness.