英文解释： noun: someone new to a field or activity
例句： All great writers, athletes, and artists were tyros at one time—unknown, clumsy, and unskilled with much to learn.
英文解释： noun: a feeling of anger caused by being offended
例句： Since he was so in love with her, he took umbrage at her comments, even though she had only meant to gently tease him.
英文解释： adjective: immune to attack; without flaws
例句： Professor Williams is so self-assured as to seem arrogant, presenting each and every opinion as an unassailable fact.
英文解释： adjective: suggesting the operation of supernatural influences; surpassing the ordinary or normal
例句： Reggie has an uncanny ability to connect with animals: feral cats will readily approach him, and sometimes even wild birds will land on his finger.
英文解释： adjective: not making concessions
例句： The relationship between Bart and Hilda ultimately failed because they were both so uncompromising, never wanting to change their opinions.
英文解释： adjective: unreasonable; unscrupulous; excessive
例句： The lawyer’s demands were so unconscionable that rather than pay an exorbitant sum or submit himself to any other inconveniences, the defendant decided to find a new lawyer.
英文解释： adjective: to weaken (usually paired with an abstract term)
例句： The student undermined the teacher’s authority by questioning the teacher’s judgment on numerous occasions.
英文解释： verb: give extra weight to (a communication)
例句： While the hiking instructor agreed that carrying a first aid kit could be a good idea under certain circumstances, he underscored the importance of carrying enough water.
英文解释： verb: to support financially
例句： The latest symphony broadcast was made possible with underwriting from the Carnegie Endowment.
英文解释： adjective: admitting of no doubt or misunderstanding; having only one meaning or interpretation and leading to only one conclusion
例句： The President's first statement on the subject was vague and open to competing interpretations, so when he spoke to Congress about the same subject later, he was cafeful to make his position completely unequivocal.