Maintain your composure at all times.
始终保持镇定。
该句使用祈使结构表达对行为状态的要求。
"Remember, when the path of life becomes steep, maintain your composure."
"The crow shot the fox a glance but remained silent."
"Since things have already happened, why not face them with a calm and composed attitude?"
"Those who understand this are often able to find direction in adversity and maintain a calm mindset."
"They do not need love, nor do they ever cry."