Daily Vocabulary(2007/08/17)

4416.assumption(想定、仮定、前提）
He proceeds on the assumption that the constitution is not a valid document.
4417.blue chip(優良株、一流株、一流品、一級品）
I have got in a job with ABC Foods,It is a blue chip company.
4418.detrimental to(～にとって有害［致命傷］になる、～に害を及ぼす ）
It can be detrimental to your health.
4419.connotation(含意、言外の意味）
Similar words may have different connotations.
4420.ambivalent(相反する感情［思考・価値］を持った）
I feel ambivalent about that issue.
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