而立之年是指一个人到达成年后的第30岁。这个词来自于中国古代的《诗经》中的一篇篇名为《而立》的《国风》。而立之年意味着一个人已经进入了成年，并且在生活中承担起了更多的责任和义务。

In Chinese culture, the phrase "而立之年" refers to reaching the age of 30, which is considered an important milestone in adulthood. This term originates from a collection of ancient Chinese poems called "The Book of Songs." It signifies that one has entered into adulthood and has taken on greater responsibilities and obligations in life.

而立之年是一个人逐渐成熟和明智的时期。在这个阶段，许多人已经完成了教育，开始了自己的职业生涯，或者已经结婚并组建了自己的家庭。无论是事业上还是家庭上，而立之年的人都需要做出重要的决策，并承担起更多的责任。

The age of 30 is a period of maturity and wisdom. During this stage, many individuals have completed their education, started their careers, or have gotten married and established their own families. Whether it's in their professional lives or personal lives, individuals in their thirties are required to make significant decisions and take on more responsibilities.

而立之年也是一个人重新审视自己和生活目标的时刻。随着年龄的增长，人们更加明白自己真正想要的是什么，以及应该朝着怎样的目标努力。这个阶段对于思考人生意义和价值观的重要性变得更加明显。

The age of 30 is also a time for individuals to reevaluate themselves and their life goals. As people grow older, they gain a deeper understanding of what they truly want and what direction they should strive for. The significance of contemplating the meaning of life and personal values becomes more apparent during this stage.

而立之年也是一个人追求梦想和目标的关键时期。许多人在年轻时立下了许多雄心勃勃的目标和梦想，而到了而立之年，他们开始更加努力地追逐和实现这些目标。无论是事业上的成功还是个人成长，而立之年都被视为一个实现梦想的重要时期。

The age of 30 is also a crucial period for individuals to pursue their dreams and goals. Many people set ambitious goals and dreams when they are young, and by the time they reach their thirties, they put in more effort to chase and accomplish those aspirations. Whether it is professional success or personal growth, the age of 30 is considered an important time for realizing one's dreams.

总之，而立之年标志着一个人从青年成长为成熟的阶段。在这个阶段，人们需要承担更多的责任和义务，并且重新审视自己的生活目标。同时，而立之年也是一个人追求梦想和目标的关键时期。无论是在事业上还是个人生活中，而立之年都扮演着重要的角色。

In conclusion, the age of 30 marks a transition from youth to maturity. During this stage, individuals are required to take on more responsibilities and obligations, as well as reevaluate their life goals. Additionally, the age of 30 is a crucial period for pursuing dreams and goals. Whether it's in one's professional life or personal life, the age of 30 plays an important role.

英文翻译对照:

The age of "而立之年" refers to reaching the age of 30, which is considered an important milestone in adulthood. This term originates from a collection of ancient Chinese poems called "The Book of Songs." It signifies that one has entered into adulthood and has taken on greater responsibilities and obligations in life.

The age of 30 is a period of maturity and wisdom. During this stage, many individuals have completed their education, started their careers, or have gotten married and established their own families. Whether it's in their professional lives or personal lives, individuals in their thirties are required to make significant decisions and take on more responsibilities.

The age of 30 is also a time for individuals to reevaluate themselves and their life goals. As people grow older, they gain a deeper understanding of what they truly want and what direction they should strive for. The significance of contemplating the meaning of life and personal values becomes more apparent during this stage.

The age of 30 is also a crucial period for individuals to pursue their dreams and goals. Many people set ambitious goals and dreams when they are young, and by the time they reach their thirties, they put in more effort to chase and accomplish those aspirations. Whether it is professional success or personal growth, the age of 30 is considered an important time for realizing one's dreams.

In conclusion, the age of 30 marks a transition from youth to maturity. During this stage, individuals are required to take on more responsibilities and obligations, as well as reevaluate their life goals. Additionally, the age of 30 is a crucial period for pursuing dreams and goals. Whether it's in one's professional life or personal life, the age of 30 plays an important role.