This is the 4575th most frequent Chinese word.
歲兒
"歲兒" is a colloquial term meaning "year" or "age" in Chinese, often used informally to refer to someone's years or age.
In this sentence, "歲兒" refers to age and is used as an informal way to talk about one's years in relation to maturity and responsibilities.
小明非常害怕長大，因為他覺得歲兒越多，責任也越多。
Xiaoming is very afraid of growing up because he feels that the more years he has, the more responsibilities come with them.
Here, "歲兒" is used in the phrase "壓歲兒錢," referring to money given to children as a gift during the New Year for blessings and good fortune.
過年的時候，孩子們都盼著壓歲兒錢。
During the New Year, children all look forward to receiving lucky money.
In this context, "歲兒" metaphorically expresses freshness and vitality, derived from the annual cycle and seasonal change.