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Use "expressions" in a sentence
"They anxiously sought to avoid the admission of expressions which might be odious in the ears of of Americans, although they were willing to admit into their system those _things_ which the _expressions_ signified."
"A team of Japanese scientists, led by Toshiyuki Hata of the Kagawa University School of Medicine, is using 3-D ultrasound to count fetal blinks and yawns, and to document what they call expressions like smiling, scowling, and sticking out the tongue."
"And this means that if the characteristics which we describe as the expressions of man's fighting instincts could be so changed that these expressions were inhibited or turned into quite new channels, the man would no longer be describable as a fighting animal."