Turn the key before you pump the pedal, or you'll flood the engine.
加水之前转动钥匙,要不发动机就给浇灭了。
He deserves not the sweet that will not taste the sour.
吃过苦头,才配享受。
On turning eagerly to the text, one learns that the lady was a typist who found the sound of office typewriters worried her more and more until eventually she had to go into a mental hospital.