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(outward) looks; features; face; countenance; expression
彼の顔つきが急に真剣になったのが分かった。
I noticed that his expression suddenly turned serious.
母親に似た顔つきの子どもが走ってきた。
A child with features resembling the mother came running over.
疲れた顔つきで会議室に入ってきた同僚を見た。
I saw a colleague enter the meeting room with a tired look.