His rage and frustration 'expressed' [='showed, manifested'] 'themselves' as/in/through temper tantrums.
Her love of nature is 'expressed' [='shown, reflected'] in her paintings/music.
a room where nursing mothers can 'express' [='pump'] milk for their babies
(..) the trick with the shower. Bonne douche. I'M... I'm sorry? It's french for "good shower. " It's a sentiment I can express in six languages. Save it for your blog,howard. ϸ'ʹ''''' all right, there it goes. It sticks. I'm sorry. Okay,thanks. (..)2007 TvShow: The Big Bang Theory Title: Pilot Season: 1 Episode 1