if you shape your mouth the right way you can do it, the way you hold...
"I can't tie a reef knot." "Sure you can - if you hold your mouth the right way."
if you shape your mouth the right way you can do it, the way you hold...
"I can't tie a reef knot." "Sure you can - if you hold your mouth the right way."
Wayne Magnuson. English idioms vocabulary. Словарь английских идиом. 2012