adj. causing you to have fear or respect for something or someone because that thing or person is large, powerful, or difficult
In debate he was a formidable opponent.
She looked every bit as formidable as her mother.
n. the fact of believing something is true without any proof or something that youbelieve to be true without any proof
All this, of course, is supposition.
adj. necessary or needed for a particular purpose
n. an important necessary thing
He lacked the requisite skills for the job.
A good book is a requisite for long journeys.
adj. having a lower or less important position
v. to put someone or something into a less important position
The individual's needs are subordinate to those of the group.
Her personal life has beensubordinated to her career.
insubordination n. 不从属，反抗
n. an official order, such as the stopping of trade, that is taken against acountry in order to make it obey international law
n. tapproval or permission, especially formal or legal
v. to formally give permission for something
Trade sanctions were imposed against any country that refused to sign the agreement.
The government was reluctant to sanction intervention in the crisis.