わがものがお【我が物顔】
彼らは我が物顔に列車の座席を占領したThey sprawled out over the seats in the train as though they owned the place.彼女...
わらいがお【笑い顔】
a smiling face ⇒えがお(笑顔)彼女の笑い顔を見たことがないI have never seen her smile.
われしりがお【我知り顔】
我知り顔で説明するexplain with a smug [superior/know-it-all] look on one's face/explain as if one had know...