1. 不引人注意的, 无价值的：mental set 心(理定)向 | unnoted 不引人注意的, 无价值的 | convergent power series ring 收敛幂级数环
2. 无价值的：unnerve 失去勇气 | unnoted 无价值的 | unnoticed 不引人注意的
adj
1. not taken into account
e.g. his retirement was not allowed to go unmarked
Synonym: overlooked unmarked